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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- </head>
- <body>
- <div id="box1">1111</div>
- <div id="box2">222</div>
- <script>
- var box1 = document.getElementById("box1");
- var box2 = document.getElementById("box2");
- box1.onclick = function(event) {
- console.log(event.target)
- // 事件源 事件的源头
- }
- </script>
- </body>
- </html>
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