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Articles Tagged
JavaScript

157 Articles
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Direct link to the article An Introduction to JavaScript Expressions
JavaScript

An Introduction to JavaScript Expressions

A thorough but approachable lesson on JavaScript expressions excerpted JavaScript For Everyone, a complete online course offered by our friends at Piccalilli.
Mat Marquis on Oct 22, 2025
Direct link to the article A Primer on Focus Trapping
accessibility JavaScript

A Primer on Focus Trapping

Focus trapping is about managing focus within an element, such that focus always stays within it. The whole process sounds simple in theory, but it can quite difficult to build in practice, mostly because of the numerous parts to you got to manage.
Zell Liew on Jul 21, 2025 Updated on Jul 22, 2025
Direct link to the article A Better API for the Intersection and Mutation Observers
JavaScript

A Better API for the Intersection and Mutation Observers

Zell discusses refactoring the Resize, Mutation, and Intersection Observer APIs for easier usage, demonstrating how to implement callback and event listener patterns, while highlighting available options and methods.
Zell Liew on Jun 23, 2025 Updated on Jul 14, 2025
Direct link to the article A Better API for the Resize Observer
JavaScript

A Better API for the Resize Observer

ResizeObserver, MutationObserver, and IntersectionObserver enhance performance over their predecessors. Zell discusses their API similarities, usage steps, refactoring strategies, and advantages with practical examples.
Zell Liew on Jun 16, 2025
Direct link to the article Quick Hit #21
JavaScript opinion php

Quick Hit #21

Seeing a lot more headlines decrying JavaScript and pumping up PHP. Always interesting to see which direction the front-end zeitgeist is leaning.…
Geoff Graham on Sep 20, 2024
Direct link to the article All About JavaScript Loops
JavaScript

All About JavaScript Loops

Every programming language has loops. Loops perform an operation (i.e., a chunk of work) a number of times, usually once for every item in an array or list, or to simply repeat an operation until a certain condition is met.…

Erick Merchant on Aug 19, 2024 Updated on Aug 21, 2024
Direct link to the article Named Element IDs Can Be Referenced as JavaScript Globals
global scope JavaScript

Named Element IDs Can Be Referenced as JavaScript Globals

Did you know that DOM elements with IDs are accessible in JavaScript as global variables? It’s one of those things that’s been around, like, forever but I’m really digging into it for the first time.

If this is the first …

Matteo Mazzarolo on Sep 27, 2022 Updated on May 1, 2024
Direct link to the article Comparing Node JavaScript to JavaScript in the Browser
JavaScript node

Comparing Node JavaScript to JavaScript in the Browser

Being able to understand Node continues to be an important skill if you’re a front-end developer. Deno has arrived as another way to run JavaScript outside the browser, but the huge ecosystem of tools and software built with Node mean …

Hugh Haworth on Feb 18, 2022
Direct link to the article 9 New React and JavaScript Links for February 2022
JavaScript react

9 New React and JavaScript Links for February 2022

Every now and then, I find that I’ve accumulated a bunch of links about various things I find interesting. Like React and JavaScript! Here’s a list of nine links to other articles about them that I’ve been saving up and …

Chris Coyier on Feb 11, 2022
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