javascript

Posts: 2

mobile optimised html5 background video handler

Raoul Kramer on javascript, css, plain js, html5, video, background video, resize, fullwidth video, ie11, ios, mobile | 13 Aug 2017

In April 2016 I was developing a website with heavy use of background videos. There were many sections, all with their own full-screen background video starting playback on viewport visibility and stopping it otherwise. At that time, iOS 9.3.1 did not support background videos at all and so…

jquery event delegation in plain js

Raoul Kramer on js, javascript, web performance, frontend, jquery, wpo, dependency free, event delegation, plain js | 16 Jun 2017

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!…