Low-end and old browsers have always been a pain in the hearts of front-end developers.
What we have to do is to allow future generations to do as much as possible.
<!--[if lt IE 9]> <p class="browsehappy" style="background: #ccc;color: #000;padding: 12px 36px;"> <a style="float:right;" href="javascript:;" onclick="this.parentNode.removeNode(true);">点击关闭提示</a> 您使用的浏览器 <strong>版本过低</strong> ,请 <a href="http://browsehappy.com/" target="_blank">升级您的浏览器</a> 以获得更好的体验。 </p> <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.js"></script> <![endif]-->
Okay, young man, this is the only way!
If the product manager doesn’t mind, feel free to add it!
With just a little effort, there is a lot we can do.