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<!DOCTYPE html> <html> <body> <h1>HTML DOM Events</h1> <h2>The onmousedown Event</h2> <p>Use the HTML DOM to assign an "onmousedown" and "onmouseup" event to a p element.</p> <p id="demo">Click me.</p> <script> document.getElementById("demo").onmousedown = function() {mouseDown()}; document.getElementById("demo").onmouseup = function() {mouseUp()}; 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>