Love it or loathe it, JSX has made a big impact on front-end engineering. Here's a code-first intro to the HTML-based JavaScript templating language. JSX is a way to write HTML inside of JavaScript, ...

Escape the single-threaded event loop in browsers and on the server. Here's how to use worker threads and web workers for modern multithreading in JavaScript. The JavaScript language is one of the ...

Learning your first programming language is exhilarating! Tonight we'll begin to write dynamic code. What does that mean? We'll be learning how to declare and run functions! We'll be defining terms ...

JavaScript was invented in the mid-1990s as a programming language that could run inside a web page and make it interactive, says Kyle Simpson, director of web futures at Getify Solutions, which ...

July 31, 2015 Add as a preferred source on Google Add as a preferred source on Google This is part of Lifehacker’s book review series. Not every life hack can be summed up in a blog post, so we’ve ...

Thanks to some thoughtful reader feedback, I’ve realized that my piece a couple of weeks ago about learning code “the hard way” is missing something important: why JavaScript doesn’t fit among “hard ...

Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table of the ...