This utility will walk you through creating a package.json file. Make a new folder that will contain your server. Setting up a web server in Node is quite simple using the Express JavaScript library. I’ll show you how to use a couple of amazing tools that make it all a breeze, including Okta to implement the Client Credentials Flow, which securely connects two machines together without the context of a user. REST APIs are all over the web, but without the proper tools require a ton of boilerplate code. Today, I’ll show you how to create a REST API using Node.js, and secure it with OAuth 2.0 to prevent unwarranted requests. Sometimes you want a couple of servers to talk to each other, whether on a local network or over the internet. JavaScript can also be used outside the context of a browser, for anything from hosting a web server to controlling an RC car or running a full-fledged operating system.
JavaScript is used everywhere on the web - nearly every web page will include at least some JavaScript, and even if it doesn’t, your browser probably has some sort of extension that injects bits of JavaScript code on to the page anyway.
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