(day05—04)阻止冒泡

<!DOCTYPE HTML>
<html>
	<head>
		<title>事件处理</title>
		<meta charset="utf-8"/>
		<link rel="stylesheet" href="css/2.css"/>
		
	</head>
	<body>
		<div id="d1">
			<div id="d2">
				<div id="d3">
				</div>
			</div>
		</div>
    <script>
		// var d1=document.getElementById("d1");	
		// var d2=document.getElementById("d2");
		// var d3=document.getElementById("d3");

		//所有的id会成为全局变量,引用着元素对象
		d1.onclick=function(){
			var d1=this;
			alert(`d1:滚!`)
		}
		d2.onclick=function(e){
			var d2=this;
			alert("d2:滚!")
			//停止冒泡
			e.stopPropagation();
		}
		d3.onclick=function(e){
			var d3=this;
			alert("d3:滚!")
			//停止冒泡
			e.stopPropagation();
		}
	</script>
	</body>
</html>

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转载自blog.csdn.net/qq_43459224/article/details/90083380