Bug 1877574 Comment 0 Edit History

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Original comment by
on 
Alot of jank while scrolling a large minified file with a few column breakpoints .

#### STR
- Go to https://todomvc.com/examples/react/dist/
- Open the debugger
- Select app.bundle.js from the source tree
- Set a breakpoint on line 2 which should cause markers for column breakpoint to appear
- Try to scroll the document until the bottom

#### ER
It should scroll smoothly

#### AR
There is a lot of jankyness while scrolling

Did a profile https://share.firefox.dev/48cclaF
Revision 1 by
on 
Alot of jank while scrolling a large minified file with a few column breakpoints .

#### Steps to reproduce
- Go to https://todomvc.com/examples/react/dist/
- Open the debugger
- Select app.bundle.js from the source tree
- Set a breakpoint on line 2 which should cause markers for column breakpoint to appear
- Try to scroll the document until the bottom

#### Expected result
It should scroll smoothly

#### Actual result
There is a lot of jankyness while scrolling

Did a profile https://share.firefox.dev/48cclaF
Revision 2 by
on 
Alot of jank while scrolling a large minified file with a few column breakpoints .

#### Steps to reproduce
- Go to https://todomvc.com/examples/react/dist/
- Open the debugger
- Make sure the "Wrap Lines" setting is turned on
- Select `app.bundle.js` from the source tree
- Set a breakpoint on line 2 which should cause markers for column breakpoint to appear
- Try to scroll the document until the bottom

#### Expected result
It should scroll smoothly

#### Actual result
There is a lot of jankyness while scrolling

Did a profile https://share.firefox.dev/48cclaF

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