简书链接:npm的使用技巧
文章字数：65,阅读全文大约需要1分钟
设置淘宝镜像地址

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npm config set registry https://registry.npm.taobao.org

查看修改

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C:\Users\Administrator.DESKTOP-Q7DQAHS>npm config list
; cli configs
metrics-registry = "https://registry.npm.taobao.org/"
scope = ""
user-agent = "npm/5.6.0 node/v9.7.1 win32 x64"

; userconfig C:\Users\Administrator.DESKTOP-Q7DQAHS\.npmrc
disturl = "https://npm.taobao.org/dist"
registry = "https://registry.npm.taobao.org/"

; builtin config undefined
prefix = "C:\\Users\\Administrator.DESKTOP-Q7DQAHS\\AppData\\Roaming\\npm"

; node bin location = D:\Program Files\nodejs\node.exe
; cwd = C:\Users\Administrator.DESKTOP-Q7DQAHS
; HOME = C:\Users\Administrator.DESKTOP-Q7DQAHS
; "npm config ls -l" to show all defaults.


C:\Users\Administrator.DESKTOP-Q7DQAHS>

es2015语法

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let a="fff";
[6,9,4,8,8,6,5,6].map(n=>n+3);

自动转换老版本网站
babeljs.io