All the JavaScript Fundamentals tutorials ⤵️
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Modern Asynchronous JavaScript with Async and Await
Discover the modern approach to asynchronous functions in JavaScript. JavaScript evolved in a very short time from callbacks to Promises, and since ES2017 asynchronous JavaScript is even simpler with the async/await syntax
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The definitive guide to JavaScript Dates
Working with dates in JavaScript can be complicated. Learn all the quirks and how to use them.
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The JavaScript math operators
Performing math operations and calculus is a very common thing to do with any programming language. JavaScript offers several operators to help us work with numbers
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The JavaScript Math object
The Math object contains lots of utilities math-related. This tutorial describes them all
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Introduction to Unicode and UTF-8
Unicode is an industry standard for consistent encoding of written text. Learn the basics and most important parts of it, in particular concerning UTF-8
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Unicode in JavaScript
Learn how to work with Unicode in JavaScript, learn what Emojis are made of, ES6 improvements and some pitfalls of handling Unicode in JS
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An introduction to Functional Programming with JavaScript
Getting started with the main concepts of Functional Programming in the JavaScript Programming Language
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A guide to JavaScript Regular Expressions
Learn everything about JavaScript Regular Expressions with this brief guide that summarizes the most important concepts and shows them off with examples
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Introduction to ES Modules
ES Modules is the ECMAScript standard for working with modules. While Node.js has been using the CommonJS standard since years, the browser never had a module system, as every major decision such as a module system must be first standardized by ECMAScript and then implemented
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Introduction to CommonJS
The CommonJS module specification is the standard used in Node.js for working with modules. Modules are very cool, because they let you encapsulate all sorts of functionality, and expose this functionality to other JavaScript files, as libraries
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The JavaScript Glossary
A guide to a few terms used in frontend development that might be alien to you
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Generate random and unique strings in JavaScript
How I created an array of 5000 unique strings in JavaScript
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A quick reference guide to Modern JavaScript Syntax
Many times, code samples are using the latest JavaScript features available. Sometimes those features can be hard to be distinguished from a framework features. It happens frequently with React for example, which encourages a very modern approach to JavaScript.
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How to make your JavaScript functions sleep
Learn how to make your function sleep for a certain amount of time in JavaScript
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Write JavaScript loops using map, filter, reduce and find
How to perform common operations in JavaScript where you might use loops, using map(), filter(), reduce() and find()
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JavaScript Coding Style
This JavaScript Coding Style is the set of conventions I use every day when using JavaScript. It's a live document, with the main set of rules I follow
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A Moment.js tutorial
Moment.js is a great help in managing dates in JavaScript
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Things to avoid in JavaScript (the bad parts)
A quick list of things to avoid when writing JavaScript code