Npm安装Karma jasmine不'；行不通

我只是按照里面的说明去做：

因果报应已正确安装。 不过，我不能安装karma jasmine和karma chrome发射器。事实上，我对自述有很多警告：

npm WARN package.json abbrev@1.0.4 No README data
npm WARN package.json ansi@0.2.1 No README data
npm WARN package.json archy@0.0.2 No README data
npm WARN package.json asn1@0.1.11 No README data

还有一些未满足的依赖性：

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知道这是从哪里来的吗？

不确定，但这看起来像是防火墙问题。你在防火墙后面吗？npm可以安装任何东西吗？请尝试此链接以获取安装karma的说明

Follow below steps to setup karma-jasmine environment

 •  Install nodejs
    o   Download nodejs suitable setup file from https://nodejs.org/download/ website.
    o   Install nodejs using setup file 
    •   Installation of Karma and plugins using npm(node package manager)
    o   Open command prompt
    o   Traverse to project structure
       cd ‘\path of project folder’
       (path till  folder which is having /src folder in it)
    o   Install Karma
       npm install karma --save-dev
    •   New folder in project structure will get created named as ‘node_modules’
    •   If any warnings appear on command prompt ignore them

    o   Install browser plugins(optional)
       npm install karma-jasmine karma-chrome-launcher --save-dev
    •   If any warnings appear on command prompt ignore them
    o   Install Karma command line interpreter globally
       npm install -g karma-cli
    •   If any warnings appear on command prompt ignore them

Follow below steps to setup karma-jasmine environment

 •  Install nodejs
    o   Download nodejs suitable setup file from https://nodejs.org/download/ website.
    o   Install nodejs using setup file 
    •   Installation of Karma and plugins using npm(node package manager)
    o   Open command prompt
    o   Traverse to project structure
       cd ‘\path of project folder’
       (path till  folder which is having /src folder in it)
    o   Install Karma
       npm install karma --save-dev
    •   New folder in project structure will get created named as ‘node_modules’
    •   If any warnings appear on command prompt ignore them

    o   Install browser plugins(optional)
       npm install karma-jasmine karma-chrome-launcher --save-dev
    •   If any warnings appear on command prompt ignore them
    o   Install Karma command line interpreter globally
       npm install -g karma-cli
    •   If any warnings appear on command prompt ignore them