Wednesday, May 28, 2014

jQuery method attr(), with a callback function

<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
  $("button").click(function(){
    $("#w3s").attr("href", function(i,origValue){
      return origValue + "/jquery";
    });
  });
});
</script>
</head>

<body>
<p><a href="http://www.w3schools.com" id="w3s">W3Schools.com</a></p>
<button>Change href Value</button>
<p>Mouse over the link (or click on it) to see that the value of the href attribute has changed.</p>
</body>
</html>

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