Sencha Videos

Learn how app.json and the microloader work together to give you development time convenience as well as run-time flexibility and efficiency. Use build profiles to target multiple themes, locales and devices for a single applic...

Debugging enterprise JavaScript applications historically been a huge pain in the neck. Thankfully the developer tools in most modern browsers have matured and make inspecting application logic easier than ever. Google Chrome i...

Writing unit tests for JavaScript based applications has been difficult at best and ignored at worst, and ExtJS is no exception. Developers tend to focus exclusively on visual testing of components which tend to get cumbersome,...

Learn how to analyze your Ext JS grid data with Pivot Grid.

In this session Lee Boonstra, course creator of the Sencha advanced theming course, will show you how to create professional themes for cross platform apps. A talk about Sass, variables and skins! You will learn how to make you...

For years developers have been told that they must optimize their production code in order to deliver prompt user experiences. The proliferation of mobile devices makes this advice even more critical, where sub-second delays in...