简单教程
提交运行
代码编辑器:
<input type="number" id="myNumber" autofocus> <p>点击按钮查看 number 字段是否在页面加载后自动获取焦点</p> <button onclick="myFunction()">点我</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myNumber").autofocus; document.getElementById("demo").innerHTML = x; } </script>
运行结果: