Browser default global $ function
Kri*_*ket 2 javascript browser jquery
I've noticed that there appears to be a global function called $ in some browsers which is NOT jQuery, but I can't seem to find any documentation on it. What is it?
Firefox:
Chrome:
Chrome 和 Firefox 开发工具包括一些有用的快捷方式/帮助程序来在控制台中操作 DOM。
这些快捷方式对于两者都非常相似：$用于 DOM 选择，$0-$4用于“最后 X 选择”等等。
完整参考见：
- Chrome 开发工具命令行 API - https://developers.google.com/web/tools/chrome-devtools/console/command-line-reference
- Firefox Web 控制台助手 - https://developer.mozilla.org/en-US/docs/Tools/Web_Console/Helpers