Javascript augment String prototype to include trim function

StringTrimExample.js

Function.prototype.method = function (name, func) {
    this.prototype[name] = func;
    return this;
};

String.method('trim', function (  ) {
    return this.replace(/^\s+|\s+$/g, '');
});

document.writeln('"' + "   neat   ".trim(  ) + '"');