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JavaScript實(shí)現(xiàn)鼠標(biāo)移入隨機(jī)變換顏色

更新時間：2020年11月24日 09:42:27 作者：學(xué)不明白！

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大家好！

今天分享一個在 JavaScript中，實(shí)現(xiàn)一個鼠標(biāo)移入可以隨機(jī)變換顏色。

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			/* 這里定義一下div（塊元素）已下span 標(biāo)簽的寬.高.邊框線以及邊框線的顏色*/
			span{
				display: block;
				width: 80px;
				height: 80px;
				border: 1px solid #000000;
				float: left;
			}
		</style>
	</head>
	<body>
		<div>
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			<span></span><span></span><span></span><span></span><span></span><span></span>
		</div>
		<script type="text/javascript">
			var a=document.getElementsByTagName("span");
			/* 獲取一下span標(biāo)簽 */
				for(var i=0;i<=a.length;i++){
					a[i].onmouseover=function(){
						/* 循環(huán)出每一個方塊，加入鼠標(biāo)移入 */
						this.style.backgroundColor="#"+Math.floor(Math.random()*16777215).toString(16);
						/* 顏色隨機(jī)顏色 */
					}
				}
		</script>
	</body>
</html>

如下是代碼運(yùn)行后在這里插入圖片描述

總結(jié)

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