Created attachment 8869906 [details] screenshot.png User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:54.0) Gecko/20100101 Firefox/54.0 Build ID: 20170518105722 Steps to reproduce: 1. Try to debug a large script such as  2. Prettify the file and set a stop point. 3. Wait to hit the stop point. : https://static.zhihu.com/heifetz/main.app.bee929b7e0ed5d163c2d.js Actual results: The debugger view resets to left, which shows nothing except spaces. After dragging the slide to see the code, every step also resets the review to left. Expected results: The view should show the code properly.
I get 403 Forbidden for the JS script, could you attach it to the bug report, please.
Created attachment 8870228 [details] Reduction for Bug 1366653 Doesn't have to be that js file. Uploading a reduction.
I believe this has since been fixed.
I can confirm that the prettify code button (which is required for reproduce this bug) is hidden after , and the bug is fixed after  when the prettify code button comes back. It is not even merged into beta, so I have to use nightly for verifying.  https://hg.mozilla.org/mozilla-central/rev/a71db5e5d89b  https://hg.mozilla.org/mozilla-central/rev/a10837dc8cdf
Status: UNCONFIRMED → RESOLVED
Last Resolved: a year ago
Resolution: --- → INVALID
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