Lazy Load JavaScript[s]
my idea of lazy loading javascript files - like you already do with images and iframes……
WebP image and background usage in web projects
With Firefox 65 joining the WebP party and thanks to the incredible squoosh app, WebP becomes more than just a lighthouse proposal. So it is time to figure out how to use WebP in every web project. Using WebP for <img>s in your project is possible by…
javascript - choosing the right timeout is easy
Every once in awhile I see code that debounces expensive events like resize or scroll: someTimeout = window.setTimeout(debounceScroll, 10); and I wonder about the magic numbers, developers choose. magic numbers In the example the dev thinks 10 milliseconds is a good time to debounce this event. The whole code…
jquery event delegation in plain js
When you add an event handler, do you delegate it? Thanks to jQuery, I do. jQuery 1.3 shipped a function called .live() with which you could add event handlers for elements, that are in your DOM and/or may appear later - and I am talking about January 2009!…