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# Prototype Event pointerX() Method

This method returns the absolute horizontal position for a mouse event.

## Syntax:

    Event.pointerX(event);

## Return Value :

- Returns the absolute horizontal position for a mouse event.

## Example:

Try this example by clicking at different places.

    <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 x_axis = Event.pointerX(event);
      alert("Horizontal position : "  + x_axis);
    }

    </script>
    </head>

    <body>

       <p id="note">Click anywhere to see the result.</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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