function isUnixDate(string) {
    if (isNaN(string) == true) {
        return false;
    } else {
        return true;
    }
}
// check if string contains a unix timestamp
check if string contains a unix timestamp
check if string contains a unix timestamp
function isUnixDate(string) {
    if (isNaN(string) == true) {
        return false;
    } else {
        return true;
    }
}
function isUnixDate ( string ) { if ( isNaN ( string ) == true ) { return false ; } else { return true ; } }
check if string contains a unix timestamp
check if string contains a unix timestamp