# Selenium 3

> Selenium 3是摒除了Selenium RC代码的WebDriver实现. 其已被实现了W3C WebDriver规范的Selenium 4所替代.

URL: https://deploy-preview-2977--selenium-dev.netlify.app/zh-cn/documentation/legacy/selenium_3/

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Section pages:

- [服务网格 3](https://deploy-preview-2977--selenium-dev.netlify.app/zh-cn/documentation/legacy/selenium_3/grid_3/index.md): Selenium Grid 3 supported WebDriver without Selenium RC code. Grid 3 was completely rewritten for the new Grid 4.
- [配置自己的服务网格](https://deploy-preview-2977--selenium-dev.netlify.app/zh-cn/documentation/legacy/selenium_3/grid_setup/index.md): Quick start guide for setting up Grid 3.
- [服务网格的组件](https://deploy-preview-2977--selenium-dev.netlify.app/zh-cn/documentation/legacy/selenium_3/grid_components/index.md): Description of Hub and Nodes for Grid 3.