iframe切换 · 天坑陈小傻

#### 前言：不考虑层级过深的情况下可以使用iframe。 > index.html ``` <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous"> <link rel="stylesheet" href="css/cssreset.css" /> <style> .z{ background } </style> <body> <div class="container-fluid"> <div class="row"> <div class='col-md-3 z'> <ul> <li><a data-url='view/d1.html' class="btn btn-primary">d1</a></li> <li><a data-url="view/d2.html" class="btn btn-primary">d3</a></li> <li><a data-url="view/d3.html" class="btn btn-primary">d3</a></li> </ul> </div> <div class='col-md-9 y'> <iframe id='ifram' src="view/d1.html" frameborder="0" width="100%" height="100%"></iframe></div> </div> </div> <script> let ul=document.getElementsByTagName('ul')[0]; console.log(ul); ul.addEventListener("click",clickde,false); var ifram=document.getElementById('ifram'); function clickde(even){ var target=even.target; ifram.setAttribute('src',target.getAttribute('data-url')); console.log(target); } </script> </body> </html> ``` > d1.html-d3.html ``` <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style> body{ margin:0; padding:0; } </style> </head> <body> <div class="container-fluid"> <div class="row"> <div class='col-md-12'> d1||d2||d3 </div> </div> </div> </body> </html> ```