最近在F12看网页源码的时候，忽然间发现某些网站多了一个flex按钮，我一阵恍惚，竟然记不得究竟是何时出现了这个功能。

在display:flex的右侧也增加了一个小菜单，点击菜单可以弹出
flex-direction
flex-wrap
align-content
justify-content
align-items

在网上搜了一下，daily-dev-tips有一个简单的介绍，很基础。

https://daily-dev-tips.com/posts/chrome-devtools-flex-debugger/#:~:text=First%2C%20we%20need%20to%20open%20the%20Chrome%20Dev,behind%20grid%20elements%3B%20this%20was%20the%20existing%20feature.

flex debugger.

这个功能的学名叫做flex debugger 。make life easier.

i must say i super stoked by this feature. it’s a quick visual way to check out what’s going on with our flex elements。
maybe it will help developers better and quickly make a beautiful website by use flex layout.
it’s time to hug flex