第三，响应式设计。

Third, responsive design.

youdao

如果你想要看到响应式设计在工作，只是改变非常的浏览器窗口的宽度，你正在读这篇文章上(如果你在桌面)。

If you want to see responsive design at work, just change the width of the very browser window you're reading this post on (if you're on a desktop).

youdao

念一下功能检测这种咒语也是有所帮助的，现在，我们已经有了从支持Modernizer爱好者到支持响应式web设计的库。

The mantra of feature detection also helps and these days, we have library support from the likes of Modernizr to support responsive web design.

youdao