A rather geeky/technical weblog, est. 2001, by Bramus
Having seen a few single-page year in review minisites the past few weeks, it’s clear that Skrollr has become the de facto standard to implement parallax scrolling effects into your websites. The idea behind Skrollr is straightforward: link a target CSS property+value to a given scroll position, via data-* attributes: <div id="example" data-0="width:100%;" data-1500="width:0%;"></div> Skrollr …
Continue reading “Skrollr – CSS animations linked to scroll position”
Whether we like it or not, more and more developers are being introduced to the world of JavaScript through jQuery first. In many ways, these newcomers are the lucky ones. They have access to a plethora of new JavaScript APIs, which make the process of DOM traversal (something that many folks depend on jQuery for) …
A jQuery/Zepto plugin I’ve been using a lot lately to debounce (= attach with delay) event handlers. To be applied on scroll events for example, as you don’t want one long single scroll to pull down the performance of your webpage by constantly triggering the attached handling function. $(window).on(‘scroll’, function(e) { // update stuff *after* …
Writing a modern web app these days can sometimes feel like a tedious process; frameworks, boilerplates, abstractions, dependency management, build processes..the list of requirements for a front-end workflow appears to grow each year. What if however, you could automate a lot of this? Extensive set of slides by Addy Osmani. Solid gold for those wanting …
Simulator for the Open Charge Point Protocol — the protocol by which a Charge Point of an electric vehicle communicates with a Central System — supporting both OCPP-S (standard OCPP, using SOAP over HTTP) and the new OCPP-J (“new” OCPP, using a Wamp inspired protocol over WebSockets). Version 1.2 and 1.5 of OCPP are supported. …
<div class=”pulse” style=”width:150px;”>Hello world!</div> <script> var elem = document.querySelector(‘.pulse’); var player = document.timeline.play(new Animation(elem, [ {opacity: “0.5”, transform: “scale(0.5)”}, {opacity: “1.0”, transform: “scale(1)”} ], { direction: “alternate”, duration: 0.5, iterations: Infinity })); </script> An emulator of the Web Animations specification. Please note that this is still experimental, and that the specification is likely to change …
window.addEventListener(‘load’, function() { barcode.config.start = 0.1; barcode.config.end = 0.9; barcode.config.video = ‘#barcodevideo’; barcode.config.canvas = ‘#barcodecanvas’; barcode.config.canvasg = ‘#barcodecanvasg’; barcode.setHandler(function(barcode) { document.getElementById(‘result’).innerHTML = barcode; }); barcode.init(); }); An HTML5 barcode scanner which scans EAN-13 barcodes using a webcam. HTML Barcode Scanner (GitHub) → Original repo was removed. Forked repos can be found below Did this help …