<!DOCTYPE HTML> <html> <head> <title>js实现弹出提交表单 </title> <meta charset="utf-8"> <style type="text/css"> #all_light { /*整个弹窗的页面*/ opacity: 0.8; /*透明度*/ width: 100%; /*宽度*/ height: 2300px; /*高度,不能百分百*/ background: #000; /*背景色*/ position: absolute; top: 0; left: 0; /*定位*/ display: none; /*隐藏*/ z-index: 1000; /*覆盖*/ } #contes { /* 弹框的页面*/ width: 500px; /*宽度*/ height: 500px; /*高度*/ background: #fff; /*背景色*/ display: none; /*隐藏*/ z-index: 1020; /*覆盖*/ position: absolute; top: 100px; left: 400px; /* 定位*/ border:1px solid; } input{ margin-bottom: 10px; } </style> </head> <body> <!-- 点击按钮 --> <a href="javascript:void(0)" onclick="add()"> 添加 </a> <!-- 弹框的div --> <div id="contes" style=""> <div style="width:500px;height:40px;"> 添加用户 <hr> <form style=" margin-left: 100px;"> 用户名:<input type="text" value="" name="" ><br> 密 码:<input type="password" value="" name=""><br> <input type="submit" value="提交"> </form> </div> </div> <div id="all_light"> </div> </body> <script> function add() { document.getElementById('all_light').style.display = 'block'; document.getElementById('contes').style.display = 'block'; } </script> </html>