Web 控制台:
- 可以查看与当前网页相关的日志信息: 所有的网络请求，JavaScript， CSS，和安全相关的错误与警告信息，还包括页面上 JavaScript 代码运行时产生的错误、警告及相关信息.
- 可以激活你和网页之间的交互, 使你可以在当前网页上下文中执行一些 JavaScript 表达式.
- Opening the Web Console
- How to start using the Web Console.
- The command line interpreter
- How to interact with a document using the Console.
- Split console
- Use the Console alongside other tools.
- Console messages
- Details of the messages the Console logs.
- Rich output
- See and interact with objects logged by the Console.
- Keyboard shortcuts
- Shortcut reference.