How can I detect an address bar change with JavaScript?

Question

I have a Ajax heavy application that may have a URL such as

http://example.com/myApp/#page=1

When a user manipulates the site, the address ba

Answer 1

check the current address periodically using setTimeout/interval:

 var oldLocation = location.href;
 setInterval(function() {
      if(location.href != oldLocation) {
           // do your action
           oldLocation = location.href
      }
  }, 1000); // check every second