JavaScript Articles
The coding articles collection contains curated stories, tips, questions and answers on a wide variety of topics. The main focus of these articles revolves around the languages and technologies presented in snippets, as well as career advice and lessons.
What is the difference between Array.prototype.map() and Array.prototype.forEach()?
Which method do you reach for first? What are the differences between them? Let's find out!
JavaScript, Array · Mar 26, 2023
How are HTMLElement.innerText and Node.textContent different?
While these two properties are very similar, there are some key differences that you should be aware of.
JavaScript, Browser · Mar 19, 2023
The case for trailing commas in JavaScript
Trailing commas are not without controversy. Here's why I think you should use them.
JavaScript, Webdev · Mar 12, 2023
Tip: Improve scroll listener performance
Scroll listeners can easily become a performance bottleneck for your web application. Here's how to fix that.
JavaScript, Browser · Mar 7, 2023
How to construct a URL in JavaScript
A short guide on how to correctly construct a URL in JavaScript.
JavaScript, String · Feb 26, 2023
Big-O Cheat Sheet
Learn everything you need to know about Big-O notation with this handy cheatsheet.
JavaScript, Algorithm · Jan 8, 2023
Window.location Cheat Sheet
A quick reference for the
window.locationobject.JavaScript, Browser · Dec 21, 2022
Tip: Element at a specific point on the page
Using
Document.elementFromPoint()to easily get the element at a specific point on the page.JavaScript, Browser · Dec 18, 2022
Tip: Edit URL Parameters in JavaScript
Avoid the naive approach and use a more robust method to edit URL parameters in JavaScript.
JavaScript, String · Dec 7, 2022
How can I truncate a string accounting for locale?
Locale-sensitive string splitting and truncation are finally possible in JavaScript.
JavaScript, String · Dec 4, 2022
Frequency Map Data Structure
A custom data structure to keep track of value frequencies in an array.
JavaScript, Class · Nov 13, 2022
Common regular expressions
A collection of regular expressions that can be used to solve common problems.
JavaScript, String · Nov 9, 2022
Tip: Typechecking arrays with Array.isArray()
Make sure to use the correct method when checking if a JavaScript object is an array.
JavaScript, Type · Nov 6, 2022
Tip: Optimize dynamically added object properties
Dynamically adding object properties can be pretty slow in some cases. Here's how to optimize it.
JavaScript, Object · Nov 2, 2022
How delays work in JavaScript timing functions
Did you know that the delay of
setTimeout()andsetInterval()is merely a suggestion?JavaScript, Browser · Oct 26, 2022
