NPM Install XXX--save-dev

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NPM Install Grunt-cmd-transport--save-dev

This command installs the Seajs build grunt plugin, do not know what the--save-dev parameter means, check the following information, recorded in this

There are 2 ways to install grunt plugin in NPM, one is to write in Package.json devdependencies first, then execute NPM install directly.

Another way to do this is to first know the name of plugin, and then use NPM install [plugin_name], But this dependency information is not automatically written into the Package.json, so to add the--save-dev parameter, it will automatically refresh the Package.json