Oct 21, 2018 This article will tell you how to install Node JS and NPM(node package manager) on MacOS step by step. There are three ways to install it on mac, run the official installer, install node binary for macOS directly or use mac Homebrew package manager. Currently I am using Node.js v0.6.16 on Mac OS X 10.7.4. Now I want to upgrade it to the latest Node.js v0.8.1. But after downloading and installing the latest package file from nodejs.org, I found that system is still using v0.6.16 instead of v0.8.1 when I typed 'node -v' in a terminal.
Setting up Node.js and npm on Mac OSX Node.js is gaining a lot of speed and is an exciting new development framework. Here's a quick overview of how to get Node.js working on OSX along with npm, the package manager for node. Estimated reading time: 2 minutes.
Contents
Node.js installation is a simple task. We just need the right steps. In this tutorial, we shall learn to setup environment for Node.js and the prerequisites to start developing Node.js applications.
JavaScript programming language is used for Node.js Application Development. The source files of Node.js applications have extension of “.js”. Any text editor is sufficient to write Node.js code and save it as .js file. To interpret the instructions written in the source .js files, Node.js interpreter is required. The Node.js is available as a binary distribution.
Install Node.js binary distribution
Download the latest binary distribution from https://nodejs.org/download/release/latest/. Based on the Operating System and Architecture, download a suitable package. The size would be less than 20MB.
Following are the latest packages available at the time of writing this tutorials (for x64) :
For linux kernel based OS like Ubuntu/MacOS/SunOSNode Js For Mac Os X
Once the download is complete, extract the package and include it in the system path variable.
Go to the downloaded folder, Open a Terminal from there and execute the following commands.
Unzip the compressed package
Make nodejs directory in
/usr/local/ . Replace the file name, if it is different from what you have downloaded.
Move the extracted nodejs package to
/usr/local/nodejs/ . https://bqoejmn.weebly.com/blog/fraps-for-mac. Provide user password if asked.
Add the path
/usr/local/nodejs/bin to PATH environment variable. Provide user password if asked.
Open
.bashrc file and append the nodejs’ path at the end. To edit .bashrc, open a terminal and run the following command :
Work for mac. Add the following line at the end of
.bashrc file.
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Once after adding the line, close the terminal and reopen again.
To verify if nodejs path has been added to PATH environment variable, run the following command :
For Windows OS, the value echoed back should have
/usr/local/nodejs/bin .
For installing Node.js on Windows Operating System, double click on the .msi file and follow the prompt step by step. Finishing the prompt should install Node.js with PATH added to the environment variables.
Verify Node.js installation
Using a Text Editor, create a sample file with name
verifyNode.js and copy paste the following content to that file.
And run the following command in Command prompt or Terminal from the directory of
verifyNode.js script file.
Run Node.js File
Following is the syntax to run a Node.js file using node command line interface :
Node Js Sample ApplicationsConclusionNode Js For Machine Learning
In this Node.js Tutorial, we have learnt to install Node.js on a computer and verify the installation by executing a sample script(.js) file.
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