10540
下記の3つのソース(＊２つは補間用)は、アナログ時計(マウスストーカー)のサイズを  
"BIGGER⇔ORIGINAL"と*１つの部屋で行われている*ように見せかけたものです。  
こんな泥臭い手法でなく、もっとスマートに"１つのソース"でいいように、あれこれ  
試行錯誤していますが、うまくいきません。ソース自体に無理があるのかもしれません。  
１つのソースで"BIGGER⇔ORIGINAL"と **アナログ時計のサイズを切り替える方法** があれば、  
ご教示ください。  
なお、それぞれのソースの"ファイル名"は、次の通りです。  
・１つ目のソース…実験1.html  
・２つ目のソース…実験2.html  
・２つ目のソース…実験3.html

(１つ目のソース)

```

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=shift_jis"> 
    
    <TITLE>妖怪クロック(アナログ)- JavaScript</TITLE>
    
    <style type="text/css">
    <!--
    .butt{
    BACKGROUND:maroon; 
    COLOR:gold;
    }
    //-->
    </style>
    
    
    <BODY bgcolor="black" text="white">
    
    <div id="clock" style="visibility:hidden">
        <div id="Od" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Of" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Oh" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Om" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Os" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    </div>
    
    <script type="text/javascript">
    
    (function(){
        "use strict";
    
    function $(sel)
    {
        return document.getElementById(sel);
    }
    
    function $$(sel)
    {
        if (typeof document.getElementsByClassName === 'undefined')
        {
            return document.getElementsByName(sel);
        }
        return document.getElementsByClassName(sel);
    }
    
    var dCol = '', //date colour.
        sCol = '', //seconds colour.
        mCol = '', //minutes colour.
        hCol = '', //hours colour.
        fCol = '', //face color
    
        ClockHeight = 50,
        ClockWidth = 50,
        ClockFromMouseY = 0,
        ClockFromMouseX = 100,
        d = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
        m = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
        date = new Date(),
        day = date.getDate(),
        year = date.getYear() + 1900;
    var TodaysDate = " " + d[date.getDay()] + " " + day + " " + m[date.getMonth()] + " " + year;
    var D = TodaysDate.split('');
    var H = '☆☆☆';
        H = H.split('');
    var M = '☆☆☆☆';
        M = M.split('');
    var S = '・・・・・';
        S = S.split('');
    var Face = '1 2 3 4 5 6 7 8 9 10 11 12',
        font = 'Helvetica, Arial, sans-serif',
        size = 1,
        speed = 0.45;
        Face = Face.split(' ');
    var n = Face.length;
    var a = size * 10;
    var ymouse = 0,
        xmouse = 0,
        scrll = 0,
        props = '<span style="font-family:' + font + ';font-size:' + size + 'em; color:#' + fCol + '">',
        props2 = '<span style="font-family:' + font + ';font-size:' + size + 'em; color:#' + dCol + '">';
    var Split = 360 / n;
    var Dsplit = 360 / D.length;
    var HandHeight = ClockHeight / 4.5; 
    var HandWidth = ClockWidth / 4.5;
    var HandY = -7,
        HandX = -2.5,
        step = 0.02,
        currStep = 0,
        y = [],
        x = [],
        Y = [],
        X = [],
        Dy = [],
        Dx = [],
        DY = [],
        DX = [];
    var i;
    
    for (i = 0; i < n; i++) 
    {
        y[i] = 0;
        x[i] = 0;
        Y[i] = 0;
        X[i] = 0;
    }
    
    for (i = 0; i < D.length; i++) 
    {
        Dy[i] = 0;
        Dx[i] = 0;
        DY[i] = 0;
        DX[i] = 0;
    }
    var wrapper = $('clock');
    var html = '';
    // Date wrapper
    
    html = '';
    
    for (i = 0; i < D.length; i++)
    {
        html += '<div class="Date" name="Date" style="position:absolute;top:0px;left:0;height:' + a + ';width:' + a + ';text-align:center">' + props2 + D[i] + '</span></div>';
    }
    $('Od').children[0].innerHTML = html;
    
    // Face wrapper
    
    html = '';
    
    for (i = 0; i < n; i++) 
    {
        html += '<div class="Face" name="Face" style="position:absolute;top:0px;left:0;height:' + a + ';width:' + a + ';text-align:center">' + props + Face[i] + '</span></div>';
    }
    $('Of').children[0].innerHTML = html;
    // Hours wrapper
    
    html = '';
    
    for (i = 0; i < H.length; i++)
    {
        html += '<div class="Hours" name="Hours" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:' + hCol + ';text-align:center;font-weight:bold">' + H[i] + '</div>';
    } 
    $('Oh').children[0].innerHTML = html;
    // Minute wrapper
    
    html = '';
    
    for (i = 0; i < M.length; i++)
    {
        html += '<div class="Minutes" name="Minutes" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:' + mCol + ';text-align:center;font-weight:bold">' + M[i] + '</div>';
    } 
    $('Om').children[0].innerHTML = html;
    // Seconds wrapper
    
    html = '';
    
    for (i = 0; i < S.length; i++)
    {
        html += '<div class="Seconds" name="Seconds" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:' + sCol + ';text-align:center;font-weight:bold">' + S[i] + '</div>';
    } 
    $('Os').children[0].innerHTML = html;
    // Mouse move event handler
    
    function Mouse(evnt) 
    {
        if (typeof evnt === 'undefined')
        {
            ymouse = event.Y + ClockFromMouseY;
            xmouse = event.X + ClockFromMouseX;
        }
        else
        {
            ymouse = evnt.clientY + ClockFromMouseY;
            xmouse = evnt.clientX + ClockFromMouseX;
        }
    }
    
    document.onmousemove = Mouse;
    
    function ClockAndAssign() 
    {
        var time = new Date();
        var secs = time.getSeconds();
        var sec = -1.57 + Math.PI * secs / 30;
        var mins = time.getMinutes();
        var min = -1.57 + Math.PI * mins / 30;
        var hr = time.getHours();
        var hrs = -1.575 + Math.PI * hr / 6 + Math.PI * parseInt(time.getMinutes(), 10) / 360;
        $('Od').style.top = window.document.body.scrollTop;
        $('Of').style.top = window.document.body.scrollTop;
        $('Oh').style.top = window.document.body.scrollTop;
        $('Om').style.top = window.document.body.scrollTop;
        $('Os').style.top = window.document.body.scrollTop;
    
        for (i = 0; i < n; i++)
        {
            var F = $$('Face')[i];
            F.style.top = y[i] + ClockHeight * Math.sin(-1.0471 + i * Split * Math.PI / 180) + scrll;
            F.style.left = x[i] + ClockWidth * Math.cos(-1.0471 + i * Split * Math.PI / 180);
        }
    
        for (i = 0; i < H.length; i++)
        {
            var HL = $$('Hours')[i];
            HL.style.top = y[i] + HandY + (i * HandHeight) * Math.sin(hrs) + scrll;
            HL.style.left = x[i] + HandX + (i * HandWidth) * Math.cos(hrs);
        }
    
        for (i = 0; i < M.length; i++)
        {
            var ML = $$('Minutes')[i].style;
            ML.top = y[i] + HandY + (i * HandHeight) * Math.sin(min) + scrll;
            ML.left = x[i] + HandX + (i * HandWidth) * Math.cos(min);
        }
    
        for (i = 0; i < S.length; i++)
        {
            var SL = $$('Seconds')[i].style;
            SL.top = y[i] + HandY + (i * HandHeight) * Math.sin(sec) + scrll;
            SL.left = x[i] + HandX + (i * HandWidth) * Math.cos(sec);
        }
    
        for (i = 0; i < D.length; i++)
        {
            var DL = $$('Date')[i].style;
            DL.top = Dy[i] + ClockHeight * 1.5 * Math.sin(currStep + i * Dsplit * Math.PI / 180) + scrll;
            DL.left = Dx[i] + ClockWidth * 1.5 * Math.cos(currStep + i * Dsplit * Math.PI / 180);
        }
        currStep -= step;
    }
    
    function Delay() 
    {
        scrll = 0;
        Dy[0] = Math.round(DY[0] += ((ymouse) - DY[0]) * speed);
        Dx[0] = Math.round(DX[0] += ((xmouse) - DX[0]) * speed);
    
        for (i = 1; i < D.length; i++) {
            Dy[i] = Math.round(DY[i] += (Dy[i - 1] - DY[i]) * speed);
            Dx[i] = Math.round(DX[i] += (Dx[i - 1] - DX[i]) * speed);
        }
        y[0] = Math.round(Y[0] += ((ymouse) - Y[0]) * speed);
        x[0] = Math.round(X[0] += ((xmouse) - X[0]) * speed);
    
        for (i = 1; i < n; i++) {
            y[i] = Math.round(Y[i] += (y[i - 1] - Y[i]) * speed);
            x[i] = Math.round(X[i] += (x[i - 1] - X[i]) * speed);
        }
        ClockAndAssign();
        setTimeout(Delay, 20);
    }
    
    Delay();
    
    }());
    
    num = 1;
    function toggle(){
     num ^= 1; 
     if(num == 1){ 
    document.getElementById('Od').style.visibility="hidden";
    document.getElementById('Of').style.visibility="hidden";
    document.getElementById('Oh').style.visibility="hidden";
    document.getElementById('Om').style.visibility="hidden";
    document.getElementById('Os').style.visibility="hidden";
     }
    else { 
    document.getElementById('Od').style.visibility="visible";
    document.getElementById('Of').style.visibility="visible";
    document.getElementById('Oh').style.visibility="visible";
    document.getElementById('Om').style.visibility="visible";
    document.getElementById('Os').style.visibility="visible";
    } 
    document.getElementById("tog").value = num ?" APPEAR ":"KILL(切る)";
    }
    </script>
    <br><br><br><br><br><br><br><br><br><br>
    <br><br><br><br><br><br><br><br><br><br>
    <center><p>
    <input class="butt" type="button" id="tog" value="今何時？" onclick="toggle();">
    <input class="butt" type="button" value="BIGGER" onclick="location.href='実験2.html';">
    </p></center>
    
    </body>
    </html>
    
```

(２つ目のソース)

```

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=shift_jis"> 
    
    <TITLE>妖怪クロック(アナログ) - JavaScript</TITLE>
    
    <style type="text/css">
    <!--//
    .butt{
    BACKGROUND:maroon; 
    COLOR:gold;
    }
    //-->
    </style>
    
    
    <BODY bgcolor="black" text="white">
    
    <div id="clock">
        <div id="Od" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Of" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Oh" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Om" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Os" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    </div>
    
    <script type="text/javascript">
    
    (function(){
        "use strict";
    
    function $(sel)
    {
        return document.getElementById(sel);
    }
    
    function $$(sel)
    {
        if (typeof document.getElementsByClassName === 'undefined')
        {
            return document.getElementsByName(sel);
        }
        return document.getElementsByClassName(sel);
    }
    
    var dCol = '', //date colour.
        sCol = '', //seconds colour.
        mCol = '', //minutes colour.
        hCol = '', //hours colour.
        fCol = '', //face color
    
        ClockHeight = 130,
        ClockWidth = 130,
        ClockFromMouseY = 0,
        ClockFromMouseX = 100,
        d = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
        m = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
        date = new Date(),
        day = date.getDate(),
        year = date.getYear() + 1900;
    var TodaysDate = " " + d[date.getDay()] + " " + day + " " + m[date.getMonth()] + " " + year;
    var D = TodaysDate.split('');
    var H = '☆☆☆';
        H = H.split('');
    var M = '☆☆☆☆';
        M = M.split('');
    var S = '・・・・・';
        S = S.split('');
    var Face = '1 2 3 4 5 6 7 8 9 10 11 12',
        font = 'Helvetica, Arial, sans-serif',
        size = 1,
        speed = 0.45;
        Face = Face.split(' ');
    var n = Face.length;
    var a = size * 10;
    var ymouse = 0,
        xmouse = 0,
        scrll = 0,
        props = '<span style="font-family:' + font + ';font-size:' + size + 'em; color:#' + fCol + '">',
        props2 = '<span style="font-family:' + font + ';font-size:' + size + 'em; color:#' + dCol + '">';
    var Split = 360 / n;
    var Dsplit = 360 / D.length;
    var HandHeight = ClockHeight / 4.5; 
    var HandWidth = ClockWidth / 4.5;
    var HandY = -7,
        HandX = -2.5,
        step = 0.02,
        currStep = 0,
        y = [],
        x = [],
        Y = [],
        X = [],
        Dy = [],
        Dx = [],
        DY = [],
        DX = [];
    var i;
    
    for (i = 0; i < n; i++) 
    {
        y[i] = 0;
        x[i] = 0;
        Y[i] = 0;
        X[i] = 0;
    }
    
    for (i = 0; i < D.length; i++) 
    {
        Dy[i] = 0;
        Dx[i] = 0;
        DY[i] = 0;
        DX[i] = 0;
    }
    var wrapper = $('clock');
    var html = '';
    // Date wrapper
    
    html = '';
    
    for (i = 0; i < D.length; i++)
    {
        html += '<div class="Date" name="Date" style="position:absolute;top:0px;left:0;height:' + a + ';width:' + a + ';text-align:center">' + props2 + D[i] + '</span></div>';
    }
    $('Od').children[0].innerHTML = html;
    
    // Face wrapper
    
    html = '';
    
    for (i = 0; i < n; i++) 
    {
        html += '<div class="Face" name="Face" style="position:absolute;top:0px;left:0;height:' + a + ';width:' + a + ';text-align:center">' + props + Face[i] + '</span></div>';
    }
    $('Of').children[0].innerHTML = html;
    // Hours wrapper
    
    html = '';
    
    for (i = 0; i < H.length; i++)
    {
        html += '<div class="Hours" name="Hours" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:' + hCol + ';text-align:center;font-weight:bold">' + H[i] + '</div>';
    } 
    $('Oh').children[0].innerHTML = html;
    // Minute wrapper
    
    html = '';
    
    for (i = 0; i < M.length; i++)
    {
        html += '<div class="Minutes" name="Minutes" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:' + mCol + ';text-align:center;font-weight:bold">' + M[i] + '</div>';
    } 
    $('Om').children[0].innerHTML = html;
    // Seconds wrapper
    
    html = '';
    
    for (i = 0; i < S.length; i++)
    {
        html += '<div class="Seconds" name="Seconds" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:' + sCol + ';text-align:center;font-weight:bold">' + S[i] + '</div>';
    } 
    $('Os').children[0].innerHTML = html;
    // Mouse move event handler
    
    function Mouse(evnt) 
    {
        if (typeof evnt === 'undefined')
        {
            ymouse = event.Y + ClockFromMouseY;
            xmouse = event.X + ClockFromMouseX;
        }
        else
        {
            ymouse = evnt.clientY + ClockFromMouseY;
            xmouse = evnt.clientX + ClockFromMouseX;
        }
    }
    
    document.onmousemove = Mouse;
    
    function ClockAndAssign() 
    {
        var time = new Date();
        var secs = time.getSeconds();
        var sec = -1.57 + Math.PI * secs / 30;
        var mins = time.getMinutes();
        var min = -1.57 + Math.PI * mins / 30;
        var hr = time.getHours();
        var hrs = -1.575 + Math.PI * hr / 6 + Math.PI * parseInt(time.getMinutes(), 10) / 360;
        $('Od').style.top = window.document.body.scrollTop;
        $('Of').style.top = window.document.body.scrollTop;
        $('Oh').style.top = window.document.body.scrollTop;
        $('Om').style.top = window.document.body.scrollTop;
        $('Os').style.top = window.document.body.scrollTop;
    
        for (i = 0; i < n; i++)
        {
            var F = $$('Face')[i];
            F.style.top = y[i] + ClockHeight * Math.sin(-1.0471 + i * Split * Math.PI / 180) + scrll;
            F.style.left = x[i] + ClockWidth * Math.cos(-1.0471 + i * Split * Math.PI / 180);
        }
    
        for (i = 0; i < H.length; i++)
        {
            var HL = $$('Hours')[i];
            HL.style.top = y[i] + HandY + (i * HandHeight) * Math.sin(hrs) + scrll;
            HL.style.left = x[i] + HandX + (i * HandWidth) * Math.cos(hrs);
        }
    
        for (i = 0; i < M.length; i++)
        {
            var ML = $$('Minutes')[i].style;
            ML.top = y[i] + HandY + (i * HandHeight) * Math.sin(min) + scrll;
            ML.left = x[i] + HandX + (i * HandWidth) * Math.cos(min);
        }
    
        for (i = 0; i < S.length; i++)
        {
            var SL = $$('Seconds')[i].style;
            SL.top = y[i] + HandY + (i * HandHeight) * Math.sin(sec) + scrll;
            SL.left = x[i] + HandX + (i * HandWidth) * Math.cos(sec);
        }
    
        for (i = 0; i < D.length; i++)
        {
            var DL = $$('Date')[i].style;
            DL.top = Dy[i] + ClockHeight * 1.5 * Math.sin(currStep + i * Dsplit * Math.PI / 180) + scrll;
            DL.left = Dx[i] + ClockWidth * 1.5 * Math.cos(currStep + i * Dsplit * Math.PI / 180);
        }
        currStep -= step;
    }
    
    function Delay() 
    {
        scrll = 0;
        Dy[0] = Math.round(DY[0] += ((ymouse) - DY[0]) * speed);
        Dx[0] = Math.round(DX[0] += ((xmouse) - DX[0]) * speed);
    
        for (i = 1; i < D.length; i++) {
            Dy[i] = Math.round(DY[i] += (Dy[i - 1] - DY[i]) * speed);
            Dx[i] = Math.round(DX[i] += (Dx[i - 1] - DX[i]) * speed);
        }
        y[0] = Math.round(Y[0] += ((ymouse) - Y[0]) * speed);
        x[0] = Math.round(X[0] += ((xmouse) - X[0]) * speed);
    
        for (i = 1; i < n; i++) {
            y[i] = Math.round(Y[i] += (y[i - 1] - Y[i]) * speed);
            x[i] = Math.round(X[i] += (x[i - 1] - X[i]) * speed);
        }
        ClockAndAssign();
        setTimeout(Delay, 20);
    }
    
    Delay();
    
    }());
    
    num = 1;
    function toggle(){
     num ^=  1;
     if(num == 1){
    document.getElementById('Od').style.visibility="visible";
    document.getElementById('Of').style.visibility="visible";
    document.getElementById('Oh').style.visibility="visible";
    document.getElementById('Om').style.visibility="visible";
    document.getElementById('Os').style.visibility="visible";
     }
    else { 
    document.getElementById('Od').style.visibility="hidden";
    document.getElementById('Of').style.visibility="hidden";
    document.getElementById('Oh').style.visibility="hidden";
    document.getElementById('Om').style.visibility="hidden";
    document.getElementById('Os').style.visibility="hidden";
    } 
    document.getElementById("tog").value = num ?"KILL(切る)":" APPEAR ";
    }
    </script>
    <br><br><br><br><br><br><br><br><br><br>
    <br><br><br><br><br><br><br><br><br><br>
    <center><p>
    <input class="butt" type="button" id="tog" value="KILL(切る)" onclick="toggle()">
    <input class="butt" type="button" value="ORIGINAL" onclick="location.href='実験3.html'">
    </p></center>
    
    </body>
    </html>
    
```

(３つ目のソース)

```

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=shift_jis"> 
    
    <TITLE>妖怪クロック(アナログ) - JavaScript</TITLE>
    
    <style type="text/css">
    <!--
    .butt{
    BACKGROUND:maroon; 
    COLOR:gold;
    }
    //-->
    </style>
    
    
    <BODY bgcolor="black" text="white">
    
    <div id="clock">
        <div id="Od" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Of" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Oh" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Om" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Os" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    </div>
    
    <script type="text/javascript">
    
    (function(){
        "use strict";
    
    function $(sel)
    {
        return document.getElementById(sel);
    }
    
    function $$(sel)
    {
        if (typeof document.getElementsByClassName === 'undefined')
        {
            return document.getElementsByName(sel);
        }
        return document.getElementsByClassName(sel);
    }
    
    var dCol = '', //date colour.
        sCol = '', //seconds colour.
        mCol = '', //minutes colour.
        hCol = '', //hours colour.
        fCol = '', //face color
    
        ClockHeight = 50,
        ClockWidth = 50,
        ClockFromMouseY = 0,
        ClockFromMouseX = 100,
        d = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
        m = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
        date = new Date(),
        day = date.getDate(),
        year = date.getYear() + 1900;
    var TodaysDate = " " + d[date.getDay()] + " " + day + " " + m[date.getMonth()] + " " + year;
    var D = TodaysDate.split('');
    var H = '☆☆☆';
        H = H.split('');
    var M = '☆☆☆☆';
        M = M.split('');
    var S = '・・・・・';
        S = S.split('');
    var Face = '1 2 3 4 5 6 7 8 9 10 11 12',
        font = 'Helvetica, Arial, sans-serif',
        size = 1,
        speed = 0.45;
        Face = Face.split(' ');
    var n = Face.length;
    var a = size * 10;
    var ymouse = 0,
        xmouse = 0,
        scrll = 0,
        props = '<span style="font-family:' + font + ';font-size:' + size + 'em; color:#' + fCol + '">',
        props2 = '<span style="font-family:' + font + ';font-size:' + size + 'em; color:#' + dCol + '">';
    var Split = 360 / n;
    var Dsplit = 360 / D.length;
    var HandHeight = ClockHeight / 4.5; 
    var HandWidth = ClockWidth / 4.5;
    var HandY = -7,
        HandX = -2.5,
        step = 0.02,
        currStep = 0,
        y = [],
        x = [],
        Y = [],
        X = [],
        Dy = [],
        Dx = [],
        DY = [],
        DX = [];
    var i;
    
    for (i = 0; i < n; i++) 
    {
        y[i] = 0;
        x[i] = 0;
        Y[i] = 0;
        X[i] = 0;
    }
    
    for (i = 0; i < D.length; i++) 
    {
        Dy[i] = 0;
        Dx[i] = 0;
        DY[i] = 0;
        DX[i] = 0;
    }
    var wrapper = $('clock');
    var html = '';
    // Date wrapper
    
    html = '';
    
    for (i = 0; i < D.length; i++)
    {
        html += '<div class="Date" name="Date" style="position:absolute;top:0px;left:0;height:' + a + ';width:' + a + ';text-align:center">' + props2 + D[i] + '</span></div>';
    }
    $('Od').children[0].innerHTML = html;
    
    // Face wrapper
    
    html = '';
    
    for (i = 0; i < n; i++) 
    {
        html += '<div class="Face" name="Face" style="position:absolute;top:0px;left:0;height:' + a + ';width:' + a + ';text-align:center">' + props + Face[i] + '</span></div>';
    }
    $('Of').children[0].innerHTML = html;
    // Hours wrapper
    
    html = '';
    
    for (i = 0; i < H.length; i++)
    {
        html += '<div class="Hours" name="Hours" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:' + hCol + ';text-align:center;font-weight:bold">' + H[i] + '</div>';
    } 
    $('Oh').children[0].innerHTML = html;
    // Minute wrapper
    
    html = '';
    
    for (i = 0; i < M.length; i++)
    {
        html += '<div class="Minutes" name="Minutes" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:' + mCol + ';text-align:center;font-weight:bold">' + M[i] + '</div>';
    } 
    $('Om').children[0].innerHTML = html;
    // Seconds wrapper
    
    html = '';
    
    for (i = 0; i < S.length; i++)
    {
        html += '<div class="Seconds" name="Seconds" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:' + sCol + ';text-align:center;font-weight:bold">' + S[i] + '</div>';
    } 
    $('Os').children[0].innerHTML = html;
    // Mouse move event handler
    
    function Mouse(evnt) 
    {
        if (typeof evnt === 'undefined')
        {
            ymouse = event.Y + ClockFromMouseY;
            xmouse = event.X + ClockFromMouseX;
        }
        else
        {
            ymouse = evnt.clientY + ClockFromMouseY;
            xmouse = evnt.clientX + ClockFromMouseX;
        }
    }
    
    document.onmousemove = Mouse;
    
    function ClockAndAssign() 
    {
        var time = new Date();
        var secs = time.getSeconds();
        var sec = -1.57 + Math.PI * secs / 30;
        var mins = time.getMinutes();
        var min = -1.57 + Math.PI * mins / 30;
        var hr = time.getHours();
        var hrs = -1.575 + Math.PI * hr / 6 + Math.PI * parseInt(time.getMinutes(), 10) / 360;
        $('Od').style.top = window.document.body.scrollTop;
        $('Of').style.top = window.document.body.scrollTop;
        $('Oh').style.top = window.document.body.scrollTop;
        $('Om').style.top = window.document.body.scrollTop;
        $('Os').style.top = window.document.body.scrollTop;
    
        for (i = 0; i < n; i++)
        {
            var F = $$('Face')[i];
            F.style.top = y[i] + ClockHeight * Math.sin(-1.0471 + i * Split * Math.PI / 180) + scrll;
            F.style.left = x[i] + ClockWidth * Math.cos(-1.0471 + i * Split * Math.PI / 180);
        }
    
        for (i = 0; i < H.length; i++)
        {
            var HL = $$('Hours')[i];
            HL.style.top = y[i] + HandY + (i * HandHeight) * Math.sin(hrs) + scrll;
            HL.style.left = x[i] + HandX + (i * HandWidth) * Math.cos(hrs);
        }
    
        for (i = 0; i < M.length; i++)
        {
            var ML = $$('Minutes')[i].style;
            ML.top = y[i] + HandY + (i * HandHeight) * Math.sin(min) + scrll;
            ML.left = x[i] + HandX + (i * HandWidth) * Math.cos(min);
        }
    
        for (i = 0; i < S.length; i++)
        {
            var SL = $$('Seconds')[i].style;
            SL.top = y[i] + HandY + (i * HandHeight) * Math.sin(sec) + scrll;
            SL.left = x[i] + HandX + (i * HandWidth) * Math.cos(sec);
        }
    
        for (i = 0; i < D.length; i++)
        {
            var DL = $$('Date')[i].style;
            DL.top = Dy[i] + ClockHeight * 1.5 * Math.sin(currStep + i * Dsplit * Math.PI / 180) + scrll;
            DL.left = Dx[i] + ClockWidth * 1.5 * Math.cos(currStep + i * Dsplit * Math.PI / 180);
        }
        currStep -= step;
    }
    
    function Delay() 
    {
        scrll = 0;
        Dy[0] = Math.round(DY[0] += ((ymouse) - DY[0]) * speed);
        Dx[0] = Math.round(DX[0] += ((xmouse) - DX[0]) * speed);
    
        for (i = 1; i < D.length; i++) {
            Dy[i] = Math.round(DY[i] += (Dy[i - 1] - DY[i]) * speed);
            Dx[i] = Math.round(DX[i] += (Dx[i - 1] - DX[i]) * speed);
        }
        y[0] = Math.round(Y[0] += ((ymouse) - Y[0]) * speed);
        x[0] = Math.round(X[0] += ((xmouse) - X[0]) * speed);
    
        for (i = 1; i < n; i++) {
            y[i] = Math.round(Y[i] += (y[i - 1] - Y[i]) * speed);
            x[i] = Math.round(X[i] += (x[i - 1] - X[i]) * speed);
        }
        ClockAndAssign();
        setTimeout(Delay, 20);
    }
    
    Delay();
    
    }());
    
    num = 0;
    function toggle(){
     num ^= 1; 
     if(num == 1){ 
    document.getElementById('Od').style.visibility="hidden";
    document.getElementById('Of').style.visibility="hidden";
    document.getElementById('Oh').style.visibility="hidden";
    document.getElementById('Om').style.visibility="hidden";
    document.getElementById('Os').style.visibility="hidden";
     }
    else { 
    document.getElementById('Od').style.visibility="visible";
    document.getElementById('Of').style.visibility="visible";
    document.getElementById('Oh').style.visibility="visible";
    document.getElementById('Om').style.visibility="visible";
    document.getElementById('Os').style.visibility="visible";
    } 
    document.getElementById("tog").value = num ?" APPEAR ":"Kill(切る)";
    }
    </script>
    <br><br><br><br><br><br><br><br><br><br>
    <br><br><br><br><br><br><br><br><br><br>
    <center><p>
    <input class="butt" type="button" id="tog" value="KILL(切る)" onclick="toggle();">
    <input class="butt" type="button" value="BIGGER" onclick="location.href='実験2.html';">
    </p></center>
    
    </body>
    </html>
    
```
CC BY-SA 3.0
2015-05-23T10:13:21.163
10538
2015-05-24T13:03:28.420
9359
question
javascript html
アナログ時計のサイズを切り替える方法
スケールを表す状態変数を導入し、描画のタイミングで値のトランジションを行うのが良いのではないでしょうか。

状態変数

```

    var scale = 1;
    var transitionStarted = 0;
    var transitionFrom = 0;
    var transitionTo = 0;
    var transitionDuration = 0;
    
```

トランジション処理

```

    function ClockAndAssign() 
    {
        var time = new Date();
        // スケールの変更処理
        if(transitionStarted)
        {
            var d = time.getTime() - transitionStarted;
            if (d < transitionDuration)
            {
                scale = transitionFrom + (transitionTo - transitionFrom) * d / transitionDuration;
            }
            else
            {
                // トランジション終了
                scale = transitionTo;
                transitionStarted = 0;
            }
        }
        /* 略 */
        // 各半径にスケールをかける
        for (i = 0; i < n; i++)
        {
            var F = $$('Face')[i];
            F.style.top = y[i] + scale * ClockHeight * Math.sin(-1.0471 + i * Split * Math.PI / 180) + scrll;
            F.style.left = x[i] + scale * ClockWidth * Math.cos(-1.0471 + i * Split * Math.PI / 180);
        }
    
        /* 略 */
    }
    
```

アニメーションの開始時には以下のように変数を設定します。

```

    transitionStarted = new Date().getTime();
    transitionFrom = scale;
    transitionTo = 2; // 最終的な倍率。状態により変化
    transitionDuration = 1000;
    
```

また`d / transitionDuration`の部分にイージング関数を適用することも出来ます。

## 適用例

```

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=shift_jis"> 
    
    <TITLE>妖怪クロック(アナログ) - JavaScript</TITLE>
    
    <style type="text/css">
    <!--
    .butt{
    BACKGROUND:maroon; 
    COLOR:gold;
    }
    //-->
    </style>
    
    
    <BODY bgcolor="black" text="white">
    
    <div id="clock">
        <div id="Od" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Of" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Oh" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Om" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    
        <div id="Os" style="position:absolute;top:0px;left:0px">
            <div style="position:relative">
            </div>
        </div>
    </div>
    
    <script type="text/javascript">
    
    // 状態変数
    var scale = 1;
    var transitionStarted = 0;
    var transitionFrom = 0;
    var transitionTo = 0;
    var transitionDuration = 0;
    
    // サイズの変更を開始する処理
    function toBigger()
    {
        transitionStarted = new Date().getTime();
        transitionFrom = scale;
        transitionTo = 2; // 最終的な倍率。状態により変化
        transitionDuration = 1000;
    }
    
    (function(){
        "use strict";
    
    function $(sel)
    {
        return document.getElementById(sel);
    }
    
    function $$(sel)
    {
        if (typeof document.getElementsByClassName === 'undefined')
        {
            return document.getElementsByName(sel);
        }
        return document.getElementsByClassName(sel);
    }
    
    var dCol = '', //date colour.
        sCol = '', //seconds colour.
        mCol = '', //minutes colour.
        hCol = '', //hours colour.
        fCol = '', //face color
    
        ClockHeight = 50,
        ClockWidth = 50,
        ClockFromMouseY = 0,
        ClockFromMouseX = 100,
        d = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
        m = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
        date = new Date(),
        day = date.getDate(),
        year = date.getYear() + 1900;
    var TodaysDate = " " + d[date.getDay()] + " " + day + " " + m[date.getMonth()] + " " + year;
    var D = TodaysDate.split('');
    var H = '☆☆☆';
        H = H.split('');
    var M = '☆☆☆☆';
        M = M.split('');
    var S = '・・・・・';
        S = S.split('');
    var Face = '1 2 3 4 5 6 7 8 9 10 11 12',
        font = 'Helvetica, Arial, sans-serif',
        size = 1,
        speed = 0.45;
        Face = Face.split(' ');
    var n = Face.length;
    var a = size * 10;
    var ymouse = 0,
        xmouse = 0,
        scrll = 0,
        props = '<span style="font-family:' + font + ';font-size:' + size + 'em; color:#' + fCol + '">',
        props2 = '<span style="font-family:' + font + ';font-size:' + size + 'em; color:#' + dCol + '">';
    var Split = 360 / n;
    var Dsplit = 360 / D.length;
    var HandHeight = ClockHeight / 4.5; 
    var HandWidth = ClockWidth / 4.5;
    var HandY = -7,
        HandX = -2.5,
        step = 0.02,
        currStep = 0,
        y = [],
        x = [],
        Y = [],
        X = [],
        Dy = [],
        Dx = [],
        DY = [],
        DX = [];
    var i;
    
    for (i = 0; i < n; i++) 
    {
        y[i] = 0;
        x[i] = 0;
        Y[i] = 0;
        X[i] = 0;
    }
    
    for (i = 0; i < D.length; i++) 
    {
        Dy[i] = 0;
        Dx[i] = 0;
        DY[i] = 0;
        DX[i] = 0;
    }
    var wrapper = $('clock');
    var html = '';
    // Date wrapper
    
    html = '';
    
    for (i = 0; i < D.length; i++)
    {
        html += '<div class="Date" name="Date" style="position:absolute;top:0px;left:0;height:' + a + ';width:' + a + ';text-align:center">' + props2 + D[i] + '</span></div>';
    }
    $('Od').children[0].innerHTML = html;
    
    // Face wrapper
    
    html = '';
    
    for (i = 0; i < n; i++) 
    {
        html += '<div class="Face" name="Face" style="position:absolute;top:0px;left:0;height:' + a + ';width:' + a + ';text-align:center">' + props + Face[i] + '</span></div>';
    }
    $('Of').children[0].innerHTML = html;
    // Hours wrapper
    
    html = '';
    
    for (i = 0; i < H.length; i++)
    {
        html += '<div class="Hours" name="Hours" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:' + hCol + ';text-align:center;font-weight:bold">' + H[i] + '</div>';
    } 
    $('Oh').children[0].innerHTML = html;
    // Minute wrapper
    
    html = '';
    
    for (i = 0; i < M.length; i++)
    {
        html += '<div class="Minutes" name="Minutes" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:' + mCol + ';text-align:center;font-weight:bold">' + M[i] + '</div>';
    } 
    $('Om').children[0].innerHTML = html;
    // Seconds wrapper
    
    html = '';
    
    for (i = 0; i < S.length; i++)
    {
        html += '<div class="Seconds" name="Seconds" style="position:absolute;width:16px;height:16px;font-family:Arial;font-size:16px;color:' + sCol + ';text-align:center;font-weight:bold">' + S[i] + '</div>';
    } 
    $('Os').children[0].innerHTML = html;
    // Mouse move event handler
    
    function Mouse(evnt) 
    {
        if (typeof evnt === 'undefined')
        {
            ymouse = event.Y + ClockFromMouseY;
            xmouse = event.X + ClockFromMouseX;
        }
        else
        {
            ymouse = evnt.clientY + ClockFromMouseY;
            xmouse = evnt.clientX + ClockFromMouseX;
        }
    }
    
    document.onmousemove = Mouse;
    
    function ClockAndAssign() 
    {
        var time = new Date();
        
        // 状態変更処理
        if(transitionStarted)
        {
            var d = time.getTime() - transitionStarted;
            if (d < transitionDuration)
            {
                scale = transitionFrom + (transitionTo - transitionFrom) * d / transitionDuration;
            }
            else
            {
                // トランジション終了
                scale = transitionTo;
                transitionStarted = 0;
            }
        }
        
        var secs = time.getSeconds();
        var sec = -1.57 + Math.PI * secs / 30;
        var mins = time.getMinutes();
        var min = -1.57 + Math.PI * mins / 30;
        var hr = time.getHours();
        var hrs = -1.575 + Math.PI * hr / 6 + Math.PI * parseInt(time.getMinutes(), 10) / 360;
        $('Od').style.top = window.document.body.scrollTop;
        $('Of').style.top = window.document.body.scrollTop;
        $('Oh').style.top = window.document.body.scrollTop;
        $('Om').style.top = window.document.body.scrollTop;
        $('Os').style.top = window.document.body.scrollTop;
    
        for (i = 0; i < n; i++)
        {
            var F = $$('Face')[i];
            F.style.top = y[i] + scale * ClockHeight * Math.sin(-1.0471 + i * Split * Math.PI / 180) + scrll;
            F.style.left = x[i] + scale * ClockWidth * Math.cos(-1.0471 + i * Split * Math.PI / 180);
        }
    
        for (i = 0; i < H.length; i++)
        {
            var HL = $$('Hours')[i];
            HL.style.top = y[i] + HandY + scale * (i * HandHeight) * Math.sin(hrs) + scrll;
            HL.style.left = x[i] + HandX + scale * (i * HandWidth) * Math.cos(hrs);
        }
    
        for (i = 0; i < M.length; i++)
        {
            var ML = $$('Minutes')[i].style;
            ML.top = y[i] + HandY + scale * (i * HandHeight) * Math.sin(min) + scrll;
            ML.left = x[i] + HandX + scale * (i * HandWidth) * Math.cos(min);
        }
    
        for (i = 0; i < S.length; i++)
        {
            var SL = $$('Seconds')[i].style;
            SL.top = y[i] + HandY + scale * (i * HandHeight) * Math.sin(sec) + scrll;
            SL.left = x[i] + HandX + scale * (i * HandWidth) * Math.cos(sec);
        }
    
        for (i = 0; i < D.length; i++)
        {
            var DL = $$('Date')[i].style;
            DL.top = Dy[i] + scale * ClockHeight * 1.5 * Math.sin(currStep + i * Dsplit * Math.PI / 180) + scrll;
            DL.left = Dx[i] + scale * ClockWidth * 1.5 * Math.cos(currStep + i * Dsplit * Math.PI / 180);
        }
        currStep -= step;
    }
    
    function Delay() 
    {
        scrll = 0;
        Dy[0] = Math.round(DY[0] += ((ymouse) - DY[0]) * speed);
        Dx[0] = Math.round(DX[0] += ((xmouse) - DX[0]) * speed);
    
        for (i = 1; i < D.length; i++) {
            Dy[i] = Math.round(DY[i] += (Dy[i - 1] - DY[i]) * speed);
            Dx[i] = Math.round(DX[i] += (Dx[i - 1] - DX[i]) * speed);
        }
        y[0] = Math.round(Y[0] += ((ymouse) - Y[0]) * speed);
        x[0] = Math.round(X[0] += ((xmouse) - X[0]) * speed);
    
        for (i = 1; i < n; i++) {
            y[i] = Math.round(Y[i] += (y[i - 1] - Y[i]) * speed);
            x[i] = Math.round(X[i] += (x[i - 1] - X[i]) * speed);
        }
        ClockAndAssign();
        setTimeout(Delay, 20);
    }
    
    Delay();
    
    }());
    
    num = 0;
    function toggle(){
     num ^= 1; 
     if(num == 1){ 
    document.getElementById('Od').style.visibility="hidden";
    document.getElementById('Of').style.visibility="hidden";
    document.getElementById('Oh').style.visibility="hidden";
    document.getElementById('Om').style.visibility="hidden";
    document.getElementById('Os').style.visibility="hidden";
     }
    else { 
    document.getElementById('Od').style.visibility="visible";
    document.getElementById('Of').style.visibility="visible";
    document.getElementById('Oh').style.visibility="visible";
    document.getElementById('Om').style.visibility="visible";
    document.getElementById('Os').style.visibility="visible";
    } 
    document.getElementById("tog").value = num ?" APPEAR ":"Kill(切る)";
    }
    </script>
    <br><br><br><br><br><br><br><br><br><br>
    <br><br><br><br><br><br><br><br><br><br>
    <center><p>
    <input class="butt" type="button" id="tog" value="KILL(切る)" onclick="toggle();">
    <input class="butt" type="button" value="BIGGER" onclick="toBigger()">
    </p></center>
    
    </body>
    </html>
    
```
CC BY-SA 3.0
2015-05-23T10:46:23.077
10540
2015-05-24T13:03:28.420
2020-06-17T08:14:45.997
-1
5750
10538
answer