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For all numbers excepting initial load, everything I've seen shows Angular is significantly faster than the rest - the difference is more pronounced with more D

For all numbers excepting initial load, everything I've seen shows Angular is significantly faster than the rest - the difference is more pronounced with more DOM nodes. Angular also has the advantage of incremental update, although React will also gain that benefit within a year as well. Note: I used to work primarily with Angular, but I currently use React since the coding style encouraged with React works better with the team I'm on & React is fast enough to us.

deleted 8y ago
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ralfn 8y ago
>everything I've seen shows Angular is significantly faster than the rest That contradicts every published test. It is also hard to imagine. Angular is both reading and writing the DOM. And i haven't touched it after they switched to a new version, but in the old version they noticed state changes by contiously comparing all of your state. (so more state meant it would be slower). I'm assuming they switched to a more native implementation of the observable pattern in the newer version, rather than that pathetic hack. Of course neither React or Angular are as fast as hand written code. Since, what both take responsibility away from the developer. In the case of React: don't worry about what you need to update, just re-render the whole thing again. Simpler code, and the performance price you pay for it is somewhat limited because it then diffes a virtual dom. Angular's approach, annotating HTML however, simply reinforces what we learned later: that is was written by someone with absolute no experience as a front-end developer. Because performance wise it's about the dumbest thing you could do. Every time you switch from writing to the DOM, to reading the DOM you force the browser to do another layout&paint and for all of that to happen synchronously, instead of the concurrent model that modern browsers actually offer. What has happened is that these frameworks have become the new platforms. People don't realize that everything from online chess games to google maps isn't written using these frameworks and it's questionable any of them could do that with good enough performance. At our company when recruiting we now distinguish actual front-end developers from angular or react developers. They may know these frameworks, that does not imply they could write them or understand enough of front-end development in general to debug actual cross browser issues, performance issues or rendering issues. And we give them a test that requires building something complicated in pure html/css/js.
- Bahamut 8y ago
  > And i haven't touched it after they switched to a new version, but in the old version they noticed state changes by contiously comparing all of your state. (so more state meant it would be slower). Are you confusing AngularJS and current Angular? AngularJS is certainly wholly slower than React, but not Angular 2+.

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ralfn 8y ago

>everything I've seen shows Angular is significantly faster than the rest That contradicts every published test. It is also hard to imagine. Angular is both reading and writing the DOM. And i haven't touched it after they switched to a new version, but in the old version they noticed state changes by contiously comparing all of your state. (so more state meant it would be slower). I'm assuming they switched to a more native implementation of the observable pattern in the newer version, rather than that pathetic hack. Of course neither React or Angular are as fast as hand written code. Since, what both take responsibility away from the developer. In the case of React: don't worry about what you need to update, just re-render the whole thing again. Simpler code, and the performance price you pay for it is somewhat limited because it then diffes a virtual dom. Angular's approach, annotating HTML however, simply reinforces what we learned later: that is was written by someone with absolute no experience as a front-end developer. Because performance wise it's about the dumbest thing you could do. Every time you switch from writing to the DOM, to reading the DOM you force the browser to do another layout&paint and for all of that to happen synchronously, instead of the concurrent model that modern browsers actually offer. What has happened is that these frameworks have become the new platforms. People don't realize that everything from online chess games to google maps isn't written using these frameworks and it's questionable any of them could do that with good enough performance. At our company when recruiting we now distinguish actual front-end developers from angular or react developers. They may know these frameworks, that does not imply they could write them or understand enough of front-end development in general to debug actual cross browser issues, performance issues or rendering issues. And we give them a test that requires building something complicated in pure html/css/js.

Bahamut 8y ago
> And i haven't touched it after they switched to a new version, but in the old version they noticed state changes by contiously comparing all of your state. (so more state meant it would be slower). Are you confusing AngularJS and current Angular? AngularJS is certainly wholly slower than React, but not Angular 2+.