Last Updated : 12 Jul, 2025
The HTML DOM onmousedown event occurs when a mouse button is pressed over an element. It's useful for implementing interactive features that respond to mouse clicks or taps on web elements.
Syntax:
<element onmousedown="myScript">
object.onmousedown = function(){myScript};
object.addEventListener("mousedown", myScript);
Related events for left-click:
Related events for right-click:
Example: In this example we demonstrating the onmousedown event. When mouse button is pressed over "HTML DOM onmousedown Event", text changes to "button pressed.
HTML
<!DOCTYPE html>
<html>
<head>
<title>
HTML DOM onmousedown Event
</title>
</head>
<body>
<h2 id="try">
HTML DOM onmousedown Event
</h2>
<script>
document.getElementById(
"try").addEventListener(
"mousedown", btnpressed);
function btnpressed() {
document.getElementById(
"try").innerHTML =
"button pressed.";
}
</script>
</body>
</html>
Output:
HTML DOM onmousedown Event Example Output Supported BrowsersThe browsers supported by HTML DOM onmousedown Event are listed below:
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4