How to use npm jquery module?

To use jquery in node, you need to have two separate node package installations.

1. jquery
2. jsdom to create a dummy window object which jquery can use.

Installation:

npm install jquery
npm install jsdom

In code:

var jsdom = require("jsdom").jsdom;
global.$ = require('jquery/dist/jquery')(jsdom().createWindow());

Or, with newer versions of jsdom:

require("jsdom").env("", function(err, window) {
    if (err) {
        console.error(err);
        return;
    }

    var $ = require("jquery")(window);
});

Using global.$ will make the jquery object($) available globally in your project.