之前学语言的时候需要下载API，很麻烦，一门一个API，后来学前端，乱七八糟的文档也是一堆，再后来听老师推荐了zeal，当然了今晚我捣鼓了一晚上。
提示一下，是英文的哦。
下载软件
项目地址：https://github.com/zealdocs/zeal
官网：https://zealdocs.org/
Zeal目前有196个文档了！！！
注意 ：If Zeal crashes on start, with or without a warning about missing vcruntime140.dll, please install Microsoft Visual C++ 2015 Redistributable.
下载文档
安装Zeal后，Tools→Docsets，就可以搜索并下载自己需要的文档了，installed是你已经下载安装的文档，available是你可以下载的文档，毕竟外国软件，可能网络一时半会儿刷新不出来，有条件的请务必爬墙。
edit→preferences可以修改文档的下载目录。
如果出现报错：Content rendering error
An unhandled error occurred in the application. We apologize for the inconvenience!
- 找到文档下载目录，我的是html打不开，我就去html文件夹里找
进入相应文档的js文件夹，比如我的电脑：D:\Sian\Zeal\HTML.docset\Contents\Resources\Documents\developer.mozilla.org\static\build\js
删除react-main.eaf988670620.js
然后重启zeal即可看到文档正产显示了。
键盘快捷键
| Command | Shortcut |
|---|---|
| Focus Search Bar | Ctrl+K or Ctrl+L |
| Find in page | Ctrl+/ or / |
| New Tab | Ctrl+T |
| Duplicate Tab | Ctrl+Alt+T |
| Close Tab | Ctrl+W (Ctrl+F4 on Windows) |
| Select Tab 1 to 8 | Alt+1 through Alt+8 |
| Select Last Tab | Alt+9 |
| Zoom In | Ctrl+= or Ctrl++ |
| Zoom Out | Ctrl+- |
| Zoom Reset | Ctrl+0 |
| Open Preferences | Ctrl+, |
| Quit Zeal | Ctrl+Q |
IDE插件
Atom
An Atom package is available at https://atom.io/packages/dash.
Brackets
There is a Brackets integration available at https://github.com/anephew/brackets-zeal.
Emacs
There is an Emacs package available at https://github.com/jinzhu/zeal-at-point.
IntelliJ IDEA
There is an IDEA plugin available at https://plugins.jetbrains.com/plugin/7351?pr=idea.
KTextEditor (Kate, KWrite, KDevelop, Kile, etc)
A plugin for KTextEditor-based editors is available at https://github.com/g3ar/ZealSearch.
Sublime Text
There is a Sublime Text 2/3 package available at https://github.com/vaanwd/Zeal.
VIM
There is a Vim plugin available at https://github.com/KabbAmine/zeavim.vim.
Or you can use https://github.com/keith/investigate.vim with something like this in .vimrc:
let g:investigate_command_for_python = '/usr/bin/zeal ^s'
A simpler way to integrate with Vim is a simple mapping, like
:nnoremap gz :!zeal "<cword>"&<CR><CR>
Visual Studio Code
There is a VSCode plugin available at https://github.com/deerawan/vscode-dash.
