Dynamically loading jQuery's methods

The example of this article describes the method of dynamic loading jQuery. Share to everybody for everybody reference. The details are as follows:

function checkJquery() {
 if(!(window.jQuery)) {
  var s = document.createElement('script');
  s.setAttribute('src', 'http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js');
  s.setAttribute('type', 'text/javascript');
  document.getElementsByTagName('head')[0].appendChild(s);
 }
}

Hopefully, this article has been helpful in your jQuery programming.