Javascript: format() string extension for easy formatting!

Here's a simple javascript string extension for easy string formatting


Code Snippet

// Example:

//

//    var testString = "Hey {0}, this is a pretty {1} string formatter. I hope you have {2} with it!".format("guys", "cool", "fun");

//    alert(testString);

//

// String.format extension for easy formatting

String.prototype.format = function () {

    var s = this,

        i = arguments.length;

    while (i--) {

        s = s.replace(new RegExp('\\{' + i + '\\}', 'gm'), arguments[i]);

    }

    return s;

};