Largest Contentful Paint (LCP) measures how long it takes a page to display the largest element — an image, text block, or video visible in the viewport — from the moment the user first landed on the ...

Using JavaScript, you can radically transform HTML documents, adding functionality to static web pages and even creating full-blown web applications. At its core, JavaScript can do anything that any ...

Example of render-blocking JavaScript. (Image created by author) This is because JavaScript has the power to manipulate page (HTML) elements and their associated (CSS) styles.

Learn how to select, modify, create, delete, and listen to events on DOM elements using JavaScript, and how to use custom events to trigger your own logic.

My goal is actually to replace all instances of DOM types (including HTMLElement etc) with my own custom type provided by a universal renderer, but this minimal repro establishes what the problem with ...

This library allows the abstraction of differences between DOM elements as a "diff" object, representing the sequence of modifications that must be applied to one element in order to turn it into the ...

In this article, I'm going to look at the JavaScript data-binding library Knockout.js. I'll expand on my previous article by removing the external templating library and using Knockout to bind and ...