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Function ExternalLinks (Check the current domain)

/ Published in: jQuery
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Get all the links and check if there's a rel attribute external, if not, compare href to the current domain name.

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  1. $.extend($.expr[':'],{
  2.         external: function(a,i,m) {
  3.             if(!a.href) { return false; }
  4.             return $(a).is('[rel*="external"]');
  5.         }
  6.     });
  7.  
  8.     $.fn.externalLinks = function() {
  9.         return this.each( function() {
  10.             $("a", this)
  11.                 .filter(function(){
  12.                     if($(this).is(":external")){
  13.                         return true;
  14.                     }else{
  15.                         return $(this).is("[href^='http://']:not([href*='"+location.hostname+"'])");
  16.                     }
  17.                 })
  18.                 .unbind("click.external")
  19.                 .bind("click.external", function(){
  20.                     return !window.open(this.href);
  21.                 });
  22.         });
  23.     };

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