real.js
function instanceScopedDirective(tar, dec, dname) {
        // don't compile child scope
        if (scopedChilds && scopedChilds.length && util.some(scopedChilds, function (item) {
            return tar == item
        })) return

        var drefs = tar._diretives || []
        // prevent repetitive binding
        if (drefs && ~util.indexOf(drefs, dname)) return

        var def = _diretives[dname]
        var expr = _getAttribute(tar, dec) || ''
        drefs.push(dec)
        tar._diretives = drefs
        _removeAttribute(tar, dec)

        var d = new Directive(vm, tar, def, dec, expr, scope)
        $directives.push(d)
    }
function instanceScopedDirective(tar, dec, dname) {
        // don't compile child scope
        if (scopedChilds && scopedChilds.length && util.some(scopedChilds, function (item) {
            return tar == item
        })) return

        var drefs = tar._diretives || []
        // prevent repetitive binding
        if (drefs && ~util.indexOf(drefs, dname)) return

        var def = _diretives[dname]
        var expr = _getAttribute(tar, dec) || ''
        drefs.push(dec)
        tar._diretives = drefs
        _removeAttribute(tar, dec)

        var d = new Directive(vm, tar, def, dec, expr, scope)
        $directives.push(d)
    }
compile scoped directives