问题
When I'm in Developer Tools and select an html-element, it puts '== $0' behind it like this:.
What does this mean?
回答1:
It means that you can write $0 in the developer console to get the active DOM element. You can see the image I have provided.
[![Picture of example[1]](https://i.stack.imgur.com/dbD4j.png)
来源：https://stackoverflow.com/questions/40605409/what-does-0-mean-in-the-dom-view-in-developer-tools