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String.prototype.trim = function() {
var reExtraSpace = /^\s+(.*?)\s+$/;
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var sTest = " this is a test ";
alert("[" + sTest + "]"); //outputs " [ this is a test ] "
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    var BLUE="blue" , RED = "red" , GREEN = "green";
    switch(sColor)
    {
        case BLUE:   alert("Blue"); break;
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