javaScript中取消DOM元素事件传递示例

    技术2022-05-11  31

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="gb2312"> <head> <title> 阻止JavaScript事件冒泡传递(cancelBubble 、stopPropagation)</title> <meta name="keywords" content="JavaScript,事件冒泡,cancelBubble,stopPropagation" /> <mce:script type="text/javascript"><!-- function doSomething (obj,evt) { alert(obj.id); var e=(evt)?evt:window.event; if (window.event) { e.cancelBubble=true; } else { //e.preventDefault(); e.stopPropagation(); } } // --></mce:script> </head> <body> <div id="parent1" οnclick="alert(this.id)" style="width:250px;background-color:yellow"> <p>This is parent1 div.</p> <div id="child1" οnclick="alert(this.id)" style="width:200px;background-color:orange"> <p>This is child1.</p> </div> <p>This is parent1 div.</p> </div> <br /> <div id="parent2" οnclick="alert(this.id)" style="width:250px;background-color:cyan;"> <p>This is parent2 div.</p> <div id="child2" οnclick="doSomething(this,event);" style="width:200px;background-color:lightblue;"> <p>This is child2. Will bubble.</p> </div> <p>This is parent2 div.</p> </div> </body> </html>


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