What is == $0 in developer tool after the end of every line of code? [duplicate]
问题 This question already has answers here : What does ==$0 (double equals dollar zero) mean in Chrome Developer Tools? (5 answers) Closed 2 years ago . I want to know what is the == $0 in developer tool, it is marked by red in the screenshot. I found this == $0 in code of every website in developer tool and want to know what is this? 回答1: $0 refers to the current selected element in your source. It means that you can access to this element in the DevTools console by simply typing: $0 From there,