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Async load JS file

/ Published in: JavaScript
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Copy this code and paste it in your HTML 
  1. (function() {
  2.     function async_load(){
  3.         var s = document.createElement('script');
  4.         s.type = 'text/javascript';
  5.         s.async = true;
  6.         s.src = 'http://yourdomain.com/script.js';
  7.         var x = document.getElementsByTagName('script')[0];
  8.         x.parentNode.insertBefore(s, x);
  9.     }
  10.     if (window.attachEvent)
  11.         window.attachEvent('onload', async_load);
  12.     else
  13.         window.addEventListener('load', async_load, false);
  14. })();

URL: http://friendlybit.com/js/lazy-loading-asyncronous-javascript/

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