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Prototype Event isLeftClick() Method

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This method determines whether a button-related mouse event was about the "left" (primary, actually) button.

Syntax:

Event.isLeftClick(event);

Return Value :

Example:

NOTE: Looks like it does not work in MSIE.

<html>
<head>
<title>Prototype examples</title>
   <script type="text/javascript" 
   src="/javascript/prototype.js">
   </script>

<script>

// Register event 'click' and associated call back.
Event.observe(document, 'click', respondToClick);
  
// Callback function to handle the event.
function respondToClick(event) {
  var bool = Event.isLeftClick(event);
  if ( bool ){
    alert("Left button is pressed...." );
  }
}

</script>
</head>

<body>

   <p id="note"> Click anywhere to see the result.</p>
   <p>This example may not work in IE.</p>

   <p id="para1">This is paragraph 1</p>
   <p id="para2">This is paragraph 2</p>

   <div id="division">
       This is divsion.
   </div>

</body>
</html>

To understand it in better way you can Try it yourself.


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