onwheel?當(dāng)鼠標(biāo)滾輪在元素上向上或向下滾動(dòng)時(shí)觸發(fā)屬性。您可以嘗試運(yùn)行以下代碼來(lái)實(shí)現(xiàn)onwheel?屬性 –
示例
<!DOCTYPE html>
<html>
<body>
<h3 id = "myid" onwheel = "mouseWheel()">
This is demo heading.
</h3>
<p>Click above and use mouse wheel to change the heading color.</p>
<script>
function mouseWheel() {
document.getElementById("myid").style.color = "red";
}
</script>
</body>
</html>
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