Best way to use Google's hosted jQuery, but fall back to my hosted library on Google fail

Question

What would be a good way to attempt to load the hosted jQuery at Google (or other Google hosted libs), but load my copy of jQuery if the Google attempt fails?

I\'m n

Answer 1

if (typeof jQuery == 'undefined') {
// or if ( ! window.jQuery)
// or if ( ! 'jQuery' in window)
// or if ( ! window.hasOwnProperty('jQuery'))    

  var script = document.createElement('script');
  script.type = 'text/javascript';
  script.src = '/libs/jquery.js';

  var scriptHook = document.getElementsByTagName('script')[0];
  scriptHook.parentNode.insertBefore(script, scriptHook);

}

After you attempt to include Google's copy from the CDN.

In HTML5, you don't need to set the type attribute.

You can also use...

window.jQuery || document.write('