MacOS Safari 如何打开F12 开发者工具 Developer Tools

背景

If you're a web develper, the Safari Develop menu provides tools you can use to make sure your website works well with all standards-based web browsers.

解决

If you don't see the Develop menu in menu bar,

• Choose Safari > settings
• Click Advanced
• Then check "Show features for web developers"
  
• Choose "Show Web Inspector"

参考

https://developer.apple.com/safari/tools/