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HTML | DOM MouseEvent pageX Property

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  • Last Updated : 31 Jan, 2019

The MouseEvent pageX property is a read-only property and used for returning the horizontal coordinate of the mouse pointer when an event has triggered.



Return Values: It returns a number which represents the horizontal coordinate of the mouse pointer in pixels.

Below program illustrates the MouseEvent pageX property:

Example: Finding out the horizontal coordinates of the mouse pointer, when the mouse button is clicked on an element.

<!DOCTYPE html>
    <title>MouseEvent pageX Property in HTML</title>
        h1 {
            color: green;
        h2 {
            font-family: Impact;
        body {
            text-align: center;
    <h2>MouseEvent pageX Property Property</h2>
    <p onclick="coord(event)">
      Click somewhere in the paragraph to get 
      the x(horizontal) coordinates of the 
      mouse pointer when it was clicked.</p>
    <p id="test"></p>
        function coord(event) {
            var x = event.pageX;
            var coords = "X coordinates: " + x;
              "test").innerHTML = coords;


  • Before clicking the button:
  • After clicking the button

Supported Browsers:

  • Opera
  • Internet Explorer
  • Google Chrome
  • Firefox
  • Apple Safari

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