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<body>
<p>This example demonstrates how to assign an "onmouseenter" and "onmouseleave" event to a h1 element.</p>
<h1 id="demo" onmouseenter="mouseEnter()" onmouseleave="mouseLeave()">Mouse over me</h1>
<script>
function mouseEnter() {
document.getElementById("demo").style.color = "red";
}
function mouseLeave() {
document.getElementById("demo").style.color = "black";
}
</script>
</body>
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