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I have an intensive javascript page that is running on a mobile device. Some of the animations are a little laggy. I wanted to see where the bottle necks were. Is there a tool that will allow me to profile the javascript to see where can be optimized?
If you have an Android device, you can use the Chrome Android app along with Chrome on your desktop to debug/profile/inspect by USB:
https://developers.google.com/chrome/mobile/docs/debugging
Its a bit annoying to setup, because you have to install and use the ADB console command, but once its working, you won’t go back.