安装n给react node做版本控制

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安装n给react node做版本控制

安装n命令

1. npm install -g n

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通过n安装指定版本

1. sudo n [版本]

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1. Usage: n [options] [COMMAND] [args]
   
2. 
   
3. Commands:
   
4. 
   
5.   n                              Display downloaded Node.js versions and install selection
   
6.   n latest                       Install the latest Node.js release (downloading if necessary)
   
7.   n lts                          Install the latest LTS Node.js release (downloading if necessary)
   
8.   n <version>                    Install Node.js <version> (downloading if necessary)
   
9.   n install <version>            Install Node.js <version> (downloading if necessary)
   
10.   n run <version> [args ...]     Execute downloaded Node.js <version> with [args ...]
    
11.   n which <version>              Output path for downloaded node <version>
    
12.   n exec <vers> <cmd> [args...]  Execute command with modified PATH, so downloaded node <version> and npm first
    
13.   n rm <version ...>             Remove the given downloaded version(s)
    
14.   n prune                        Remove all downloaded versions except the installed version
    
15.   n --latest                     Output the latest Node.js version available
    
16.   n --lts                        Output the latest LTS Node.js version available
    
17.   n ls                           Output downloaded versions
    
18.   n ls-remote [version]          Output matching versions available for download
    
19.   n uninstall                    Remove the installed Node.js
    
20. 
    
21. Options:
    
22. 
    
23.   -V, --version         Output version of n
    
24.   -h, --help            Display help information
    
25.   -p, --preserve        Preserve npm and npx during install of Node.js
    
26.   -q, --quiet           Disable curl output. Disable log messages processing "auto" and "engine" labels.
    
27.   -d, --download        Download if necessary, and don't make active
    
28.   -a, --arch            Override system architecture
    
29.   --all                 ls-remote displays all matches instead of last 20
    
30.   --insecure            Turn off certificate checking for https requests (may be needed from behind a proxy server)
    
31.   --use-xz/--no-use-xz  Override automatic detection of xz support and enable/disable use of xz compressed node downloads.
    
32. 
    
33. Aliases:
    
34. 
    
35.   install: i
    
36.   latest: current
    
37.   ls: list
    
38.   lsr: ls-remote
    
39.   lts: stable
    
40.   rm: -
    
41.   run: use, as
    
42.   which: bin
    
43. 
    
44. Versions:
    
45. 
    
46.   Numeric version numbers can be complete or incomplete, with an optional leading 'v'.
    
47.   Versions can also be specified by label, or codename,
    
48.   and other downloadable releases by <remote-folder>/<version>
    
49. 
    
50.     4.9.1, 8, v6.1    Numeric versions
    
51.     lts               Newest Long Term Support official release
    
52.     latest, current   Newest official release
    
53.     auto              Read version from file: .n-node-version, .node-version, .nvmrc, or package.json
    
54.     engine            Read version from package.json
    
55.     boron, carbon     Codenames for release streams
    
56.     lts_latest        Node.js support aliases
    
57. 
    
58.     and nightly, rc/10 et al

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