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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>
- <button id="btn">按钮</button>
- <script>
- // 获取元素
- var btn = document.getElementById("btn");
- // 绑定事件
- btn.onclick = function(){
- // this 指向当前点击的元素 (谁触发的事件，this就指向谁的)
- console.log(this);
- }
- </script>
- </body>
- </html>
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