只要鼠标指针移到HTML中的元素上，就执行脚本？
当鼠标指针移到某个元素上时，onmousemove 属性将触发。您可以尝试以下代码来实现onmousemove 属性-
示例
<!DOCTYPE html>
<html>
<body>
<h3 id = "myid" onmousemove = "mouseMove()">
This is demo heading.
</h3>
<p>Click above and then release.</p>
<script>
function mouseMove() {
document.getElementById("myid").style.color = "red";
}
</script>
</body>
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