javascript:;

 

13down vote

basically instead of using the link to move pages (or anchors), using this method launches a javascript function(s)

<script>
function doSomething() {
  alert("hello")
}
</script>
<a href="javascript:doSomething();">click me</a>

clicking the link will fire the alert.

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answered Oct 13 '11 at 13:51 Eonasdan 4,64763255

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up vote3down vote

<a href="javascript:alert('Hello');"></a> is just shorthand for: <a href="" onclick="alert('Hello'); return false;"></a>