<html>
<body>
<p onmousedown="myFunction(this,'red')" onmouseup="myFunction(this,'green')">
Click the text to change the color. A function, with parameters, is triggered when the mouse button is pressed down, and again, with other parameters, when the mouse button is released.
</p>
<script>
function myFunction(elmnt,clr) {
elmnt.style.color = clr;
}
</script>
</body>
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_onmousedown_param by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:02:57 GMT -->
</html>