<!DOCTYPE html>
<html>
<body>
<p>This example demonstrates how to assign an "onmousedown" and "onmouseup" event to a p element.</p>
<p id="demo" onmousedown="mouseDown()" onmouseup="mouseUp()">Click me.</p>
<script>
function mouseDown() {
document.getElementById("demo").innerHTML = "The mouse button is held down.";
}
function mouseUp() {
document.getElementById("demo").innerHTML = "You released the mouse button.";
}
</script>
</body>
</html>