关注我们

jQuery 中的 isImmediatePropagationSt

isImmediatePropagationStopped()方法检查是否曾经在此事件对象上调用过event.stopImmediatePropagation()。

如果已经调用 event.stopImmediatePropagation()方法，则此方法返回true，否则返回false

链接：https://www.learnfk.comhttps://www.learnfk.com/jquery/events-isimmediatepropagationstopped.html

isImmediatePropagationStopped() - 语法

event.isImmediatePropagationStopped()

isImmediatePropagationStopped() - 示例

以下是一个简单的示例，简单说明了此方法的用法-

无涯教程网

<html>
   <head>
      <title>The jQuery Example</title>
      <script type="text/javascript" 
         src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js">
      </script>
		
      <script type="text/javascript" language="javascript">
         $(document).ready(function() {

            $("div").click(function(event){

               if ( event.isImmediatePropagationStopped() ){
                  alert( "Event bubbling is disabled - 1" );
               }else{
                  alert( "Event bubbling is enabled - 1" );
               }
               event.stopImmediatePropagation();
					
               if ( event.isImmediatePropagationStopped() ){
                  alert( "Event bubbling is disabled - 2" );
               }else{
                  alert( "Event bubbling is enabled - 2" );
               }
            });
				
         });
      </script>
		
      <style>
         div{ margin:10px;padding:12px; border:2px solid #666; width:160px;}
      </style>
   </head>
	
   <body>
      <p>Click on any box to see the result:</p>
		
      <div id="div1" style="background-color:blue;">
         BOX 1
      </div>
		
      <div id="div2" style="background-color:red;">
         BOX 2
      </div> 
   </body>
</html>

这将产生以下输出-

祝学习愉快！(内容编辑有误？请选中要编辑内容 -> 右键 -> 修改 -> 提交！)

技术教程推荐

好记忆不如烂笔头。留下您的足迹吧 :)