Remove leading and trailing white spaces from html string. [Polyfill]

remove_whitespaces_regex.js

//// http://stackoverflow.com/questions/10032024/how-to-remove-leading-and-trailing-white-spaces-from-a-given-html-string
//Running the following code before any other code will create trim() if it's not natively available.
if(!String.prototype.trim) {  
  String.prototype.trim = function () {  
    return this.replace(/^\s+|\s+$/g,'');  
  };  
}