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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>
- <input type="text" placeholder="请输入数字">
- <button>按钮</button>
- <script>
- var inp = document.querySelector("input");
- var btn = document.querySelector("button");
- btn.onclick = function(){
- // 获取文本框内的值
- var val = inp.value;
- console.log(val)
- inp.value = "";
- }
- </script>
- </body>
- </html>
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