Sencha Official

Mobility: Think Data, Not Devices

Nick Harlow discusses the benefits of managing your apps' data rather than the devices they will run on.

SenchaCon 2014 Registration Notification

SenchaCon 2014 is creeping closer and you can now make sure you get in quick once registration opens by submitting your details using this form.

Sponsor

Sencha Insights is proudly sponsored by SwarmOnline.com who provide expert Sencha development, consultancy and training services.

To discuss your next project email them on info@swarmonline.com.

Sencha

London Sencha User Group

London will host its 7th Sencha User Group meeting on June 30th. If you're in the area head down and hear 3 great talks.

Build your own weather app with Sencha Touch

Lee Boonstra is back with another Sencha Touch tutorial, this time building a weather app integrated with an online weather API.

Testing ExtJs applications. Part 1: Unit testing.

Testing is always a big topic when it comes to developing Sencha apps. Pavel Kurnosov talks through his experiences in implementing unit tests in his Ext JS project in the first of a series of articles.

JavaScript

Optimization Killers

V8 works hard to optimise as much of your code as it can, but it can't always do it if you are using patterns that it deems to be un-optimisable. This article delves deeper into what patterns you should avoid to ensure as much of your code can be optimised as possible.

ECMAScript 6’s new array methods

This blog post explains what new array methods ECMAScript 6 will bring and how to use them in current browsers.

HTML5

Service Worker - first draft published

Jake Archibald talks about Service Workers whose first draft spec has just been published.

How to Use HTML5 “picture” for Responsive Images

This article talks about the element which allows us to specify different images to be used in different browsers or devices.

CSS

CSS Vocabulary

This application defines all the parts of a CSS document and explains how the syntax fits together.

Stagger.css

If you have used the Animate.css library you will know how easy it is to add some excellent animations to your apps. This library builds upon it to allow elements to be animated in one at a time.

Quiz

What config option would you add to the following Ext JS Panel's layout config, to prevent clicks to its items' headers collapsing/expanding the related item?

Ext.create('Ext.panel.Panel', {
    title: 'Accordion Panel',
    layout: {
        type: 'accordion'
    },
    items: [{
        title: 'Lytham St Annes',
        html: 'Panel content!'
    },{
        title: 'Morecambe',
        html: 'Panel content!'
    },{
        title: 'Blackpool',
        html: 'Panel content!'
    }],
    renderTo: Ext.getBody()
});

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