lovecoding
/
VIP20


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    #div1 {
      width: 200px;
      height: 200px;
      background: aqua;
    }

    #div2 {
      width: 100px;
      height: 100px;
      background: antiquewhite
    }
  </style>
</head>

<body>
  <div id="div1">
    <div id="div2"></div>
  </div>
  <script>
    var div1 = document.getElementById('div1')
    var div2 = document.getElementById('div2')
    // div2.onclick = function(){
    //   console.log('我是div2')
    // }
    // div1.onclick = function(){
    //   console.log('我是div1')
    // }
    
    //事件捕获
    //元素.addEventListener('事件',函数，布尔值) 
    div1.addEventListener('click', function () {
      console.log('我是div1')
    }, true)
    div2.addEventListener('click', function () {
      console.log('我是div2')
    }, true)
  </script>
</body>

</html>