Node.js & JQuery: “ReferenceError: $ is not defined” error. How do I use jquery with node on the server?

Question

Help! I\'m trying to use jquery in my node.js app, but I keep getting an error when I try to use \'$\', saying \"$ is not defined\"... but I defined it at the top! Here\'s what

Answer 1

//make sure $ is available in the global scope
var $;

function doSomething(){
    var deferred = $.Deferred();
}

require("jsdom").env("", function(err, window) {
    if (err) {
        console.error(err);
        return;
    }
    // assign it
    $ = require("jquery")(window);

    // you have to call it in here because you are in a callback 
    doSomething();
});