A trim() method for the JavaScript String class

Just rediscovered that IE still doesn’t include the trim() method on the String class. Here’s a snippet of code, based on an answer on StackOverflow, to make sure there’s a trim method available:

if (typeof String.prototype.trim !== 'function') {
    String.prototype.trim = function() {
        return this.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
    }
}

On the positive side I also found out about the debugger included in IE 8. Just like Firebug, available via F12!

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