February 2015
Intermediate to advanced
400 pages
8h 50m
English
Content preview from Mastering ExtJS - Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Debugging Ext JS applications
The art of debugging is as important as the art of programming. We usually write code that we think is going to work as soon as we execute it, but this is not true sometimes. We write the code, then we get an exception or JavaScript error, and then we need to dive into the code again to see where we went wrong. It's part of being a developer and it is also part of life!
Throughout this book, you learned that debugging is important, especially when we were learning an easier way to figure out the correct Component Query selector. When developing applications with Ext JS, it is mandatory to use a debug tool. This is so because it is not only for debugging, but you will also be able to learn more about the framework, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.