The HTML onmousedown event attribute is triggered when a mouse button is pressed down on an HTML element in an HTML document.
Syntax
Following is the syntax −
<tagname onmousedown=”script”></tagname>
Let us see an example of HTML onmousedown event Attribute−
Example
<!DOCTYPE html> <html> <head> <style> body { color: #000; height: 100vh; background-color: #FBAB7E; background-image: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%); text-align: center; } .circle { background: #db133a; height: 150px; width: 150px; border-radius: 50%; margin: 10px auto; } p { margin: 30px auto; } </style> </head> <body> <h1>HTML onmousedown Event Attribute Demo</h1> <div class="circle" onmousedown="mouseDownFn()" onmouseup="mouseUpFn()"></div> <p>Try to click the above red circle</p> <script> function mouseDownFn() { document.querySelector('.circle').style.transform = 'scale(0.5)'; } function mouseUpFn() { document.querySelector('.circle').style.transform = 'scale(1.2)'; } </script> </body> </html>
Output
Click on “red” circle to observe how onmousedown event attribute works.