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How to debug chrome manifest.json?

How can I debug a problem where some JavaScript on my website seems to be crashing the Android web browser?

  • The browser just crashes and exits so it's hard to see any errors, etc.  There aren't any errors or problems on iPhone Safari or on Chrome or Safari or Firefox on the desktop.

  • Answer:

    The Android browser emits debugging messages via the Android Debug Bridge, which you can view in real time on your desktop if the phone is connected via USB. There are instructions at http://developer.android.com/guide/developing/debug-tasks.html#DebuggingWebPages describing how to use this to debug JavaScript. If using the ADB isn't an option, you'll just have to use a process of elimination. Remove or comment out all the JavaScript. Load the page. If it loads successfully, begin adding back small portions of code and re-testing until you reproduce the crash again. Then backtrack, line by line if necessary, to narrow down the exact cause.

Ryan Grove at Quora Visit the source

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Other answers

Ryan's answer is great.  I have another idea in between using adb and backtracking. Insert logging calls which write to a web application that stores them in a database on every line which explain what is about to happen, and the state of all your data prior to the calls.

David Nelson

You could use weinre (web inspector remote) -- just fire up an instance / include a script tag in your site and you'll be able to use the Safari/Chrome style web inspector to debug your app remotely. http://people.apache.org/~pmuellr/weinre/

Ralston Clarke

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