Sencha Official

Announcing Sencha Ext JS 5

The start of June saw the release of Ext JS 5 bringing all the extra features and improvements we have mentioned over the last couple of issues to general release.

Ext JS Diff Guide

If you're about to embark on upgrading your Ext JS 4 app to Ext JS 5 you might find this diff of the two frameworks helpful.

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Sencha

On ExtJS 5 Chained Stores

Saki discusses Chained Stores, a new feature of Ext JS 5, and how they work.

JavaScript

My ECMAScript 7 wishlist

ECMAScript 6 is now feature complete and Nicholas Zakas shares his wishlist for ECMAScript 7

Using basic and tween transitions in d3.js

This article looks at implementing transitions with d3.js using some nice dashboard examples.

Introducing the Proximity API

This article introduces the Proximity API which provides us with information about the distance between a device and another object.

Checking whether a value is an integer in JavaScript

There are a lot of different ways to do seemingly simple things like check if a value is an integer or not. Axel Rauschmayer describes a number of them and their pros and cons.

HTML5

iOS 8 WebKit changes finally allow all apps to have the same performance as Safari

For those of us wrapping our Sencha Touch apps with PhoneGap or the like will see marked performance improvements with iOS8 due to WebViews being able to take advantage of the Nitro JS engine.

My two favourite (underused) HTML5 media features

Another two rarely used HTML5 features are the Page Visibility API, which lets you detect when your page is active, and the playbackRate attribute which allows you to control the speed audio and video is played back. These are both described well in this article.

CSS

Bounce.js

A really nice tool for creating CSS3 animations in the browser.

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