For some sites, you may be using jQuery for some basic functionality. In this article, we’ll explore the opportunity to replace jQuery in those situations with plain vanilla JavaScript. As we’ll see, it can offer some potential performance benefits and, perhaps more importantly, an opportunity...
vanilla-lazyload doesn't have this feature because of performance optimization reasons (the sizes attribute is useful to eagerly load responsive images when it's expressed in the markup, not when it's set by javascript). Can lazyload iframes Both scripts can lazyload the iframe tag. Can ...
30 Seconds of Codefeatures ahuge repository of short code snippetsfor JavaScript, including helpers for dealing with primitives, arrays and objects, as well as algorithms, DOM manipulation functions and Node.js utilities. You can also find plenty of small utilities for Python, React Hooks, React ...
lazysizes is it can derive the value of the sizes attribute from your CSS by using Javascript. vanilla-lazyload doesn't have this feature because of performance optimization reasons (the sizes attribute is useful to eagerly load responsive images when it's expressed in the markup, not when it'...
(vastly superior) design. Using the principles of progressive enhancement, we could load a default image as a placeholder. Then, we can check to see if it makes sense to load the real waveform before initiating our script. If the user has JavaScript disabled, their browser doesn’t support ...
3.2. JavaScript Architecture Naturally, the JavaScript architecture is the most interesting part of this study. I found that using a combination of functions, query selectors and DOM events is sufficient to build a scalable, maintainable codebase, albeit with some trade-offs as we will see later...
high-performance unordered Vanilla JS implementation of SharedMap, a synchronous multi-threading capable, fine-grain-locked with deadlock recovery, static memory allocated, coalesced-chaining HashMap, backed by SharedArrayBuffer that supports deleting and is capable of auto-defragmenting itself on delete...
Uses passive event listeners when possible for better performance Uses vanilla JS ! Be sure to check thelive demo! Usage NavScroll.js can be used either as a vue component, a vue directive or programatically from your javascript. In your JS: ...