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JavaScript

Learn about specific vanilla JavaScript topics. Lessons here won't have anything to do with frameworks or libraries, just vanilla JS.

Series

Latest Lessons

Understanding JavaScript Promises in ForEach, Map, and Reduce Loops

In this lesson, we'll take a look at how promises work when we try to await them inside newer callback-based loops, like forEach, map, and reduce.

AdonisJS Quick Tip / Lesson 10.0

How To Use Vue 3 with TypeScript in an AdonisJS Project

In this lesson, we’ll learn how to set up a Vue 3 TypeScript application within our AdonisJS project using Webpack Encore. We’ll start by getting Vue 3 working, then sprinkle in TypeScript support.

Cross-Tab Communication / Lesson 3.0

Cross-Tab Communication in JavaScript using a BroadcastChannel

We discuss how to do cross-tab communication with a BroadcastChannel, the browser's native API to communicate across browser instances. It's rather similar to using a SharedWorker, just without the worker.

Cross-Tab Communication / Lesson 2.0

Cross-Tab Communication in JavaScript using a SharedWorker

In this lesson we'll be going over how to do cross-tab communication using a SharedWorker. SharedWorkers are Web Workers that are sharable across browser-instances (tabs, windows, etc).

Cross-Tab Communication / Lesson 1.0

How To Do Cross-Tab Communication In JavaScript With LocalStorage

In this lesson, we'll be going over how to do cross-tab communication using LocalStorage. Of the three methods we'll be discussing, this one is the most browser compatible method; despite it being a workaround.

All About JavaScript Arrow Functions

Arrow functions offer a concise alternative for standard functions. Though, there are important functionality differences regarding this binding, constructors, generators, and more.

Introducing and Understanding JavaScript Promises

A promise allows us to delay the execution of code that's dependent upon information retrieved by an asynchronous operation. We'll expand on what this means, how to use promises, and how to go about creating one.

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