The MouseEvent offsetX property is a read-only property which is used for returning the x-coordinate of the mouse pointer, relative to the target element.
Syntax :
event.offsetX
Return Value: It returns a number which represents the horizontal coordinate of the mouse pointer, in pixels.
Below program illustrates the MouseEvent offsetX property:
Example: Finding out the horizontal coordinate of the mouse pointer relative to a <div> element.
html
<!DOCTYPE html><html>
<head>
<title>MouseEvent offsetX Property in HTML</title>
<style>
div {
border: 3px solid green;
height: 100px;
width: 500px;
}
h1 {
color: green;
}
h2 {
font-family: Impact;
}
body {
text-align: center;
}
</style>
</head>
<body>
<h1>GeeksforGeeks</h1>
<h2>MouseEvent offsetX Property</h2>
<p>Click inside the green box to get
the x-coordinate relative to the top edge.</p>
<div onclick="coord(event)"></div>
<p>The x-coordinate, relative to
the top edge of the DIV element is:
<span id="test"></span></p>
<script>
function coord(event) {
var c = event.offsetX;
document.getElementById(
"test").innerHTML = c;
}
</script>
</body>
</html>
|
Output:
- After clicking the button:
- After clicking the button:
Supported Browsers:
- Opera 12.1 and above
- Internet Explorer 9 and above
- Google Chrome 1 and above
- Edge 12 and above
- Firefox 39 and above
- Apple Safari 1 and above