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<html><body><p>This example uses the HTML DOM to assign an "onmouseenter" and "onmouseleave" event to a h1 element.</p><h1 id="demo">Mouse over me</h1><script>document.getElementById("demo").onmouseenter = function() {mouseEnter()};document.getElementById("demo").onmouseleave = function() {mouseLeave()};function mouseEnter() { document.getElementById("demo").style.color = "red";}function mouseLeave() { document.getElementById("demo").style.color = "black";}</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_onmouseenter_dom by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:39:59 GMT --></html>