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27Feb/141

ExtJS vs. AngularJS

I've been meaning to say a few words about this for a long time: stop comparing ExtJS to AngularJS!

It's like comparing a car to a tire:

  • One is not better than the other; it's an invalid comparison
  • If you need a car, you probably shouldn't buy just the tire
  • If you need just a tire, you probably shouldn't buy an entire car

Consider this: minified version of ExtJS 4.2.2 is 1.4 MB (ext-all.js) and that's not counting all the CSS and resources. By contrast, AngularJS 1.2.13 is just over 100 KB.

Now when I'm calling AngularJS a "tire" what I mean is that if you are building an app of any magnitude, you will probably be bundling it with some other libraries. I'm guessing many newer apps will have a bare minimum of AngularJS + jQuery + Bootstrap.

So, when would I chose one over the other, if I were equally proficient in both?

  1. If an important objective is fast page load times (i.e. landing page), I would go with a lean stack on top of AngularJS
  2. However, if I'm building an enterprise portal with a ton of UI and functionality, I would probably go with ExtJS
  3. Now how about both? I've built apps that had a lean landing page with just jQuery that would then transition to the "app" in ExtJS; I think LastPass is an excellent example of that.
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3Feb/140

Illuminations for Chrome!

A few years ago I wrote about ExtJS4 Dev Tools of a Pro, where I mentioned a FireFox plugin called Illuminations. Since then I've switched to Chrome as my dev platform where I missed my cherished Illuminations plugin.

I believe only last week the creators of FF's plugin have released a version for Chrome: https://chrome.google.com/webstore/detail/illuminations/hbhnkfhblakpfhcpepeoogmakimflibk

It doesn't feel like a full port, but it does have the one feature I care most about: similar to how you can right-click on a page and "Inspect Element" to bring up dev tools and pinpoint the target in the DOM tree, you can now right-click and "Illuminate:"

illuminate1

At which point you will pinpoint the target in the Ext component tree:

illuminate2

Combined with Sencha Inspector for Chrome, the Chrome browser is now a powerhouse for ExtJS/Sencha Touch development!

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