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Table Of Contents
Practical Web Development
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Practical Web Development
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Overview of this book
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Installing node.js
Let's not delay any further and install node on your computer. How to install it will be different depending on the OS you are running. Go to http://nodejs.org/ and get the proper download. The result is the same everywhere: it gives us two programs: node and npm.
npm
npm, the node packaging manager, is the tool that you use to look for and install modules. Each time you write code that needs a module, you specify this by putting something like the following in your code:
var module = require('module');It will have to be installed if it is not yet present, using the command:
npm install
Or you can also use:
npm -g install
The latter will attempt to install the module globally, the former command in the directory where the command is issued. It will typically install the module in a folder called node_modules.
node
The node command is the command to use to start your node.js program, for example:
node myprogram.js
Node will start and interpret your code. Type Ctrl...
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