[Webkit-unassigned] [Bug 125927] Web Inspector: Watch expressions

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=125927





--- Comment #9 from Timothy Hatcher <timothy at apple.com>  2013-12-18 12:10:10 PST ---
(In reply to comment #5)
> Many people constantly add/remove console.log statements in the code for debugging. Watch expressions can replace this.
> 
> (In reply to comment #2)
> > Putting more data into the text editor like this is something we have talked about internally (DFG JIT types for variables, heat map for profiles, etc.)
> 
> Sounds exiting!
> 
> > While inline expressions would solve the problem when the expression is visible, often I think people use watch expressions for things not used in the code. Figuring out what and why people use the Chrome watch expressions pane for might give us clues to better UXs. I don't really like the old watch expressions pane as-is.
> 
> Chrome watch expressions only work well in a tandem with breakpoints, e.g. they get updated when debugger stops. They won’t be any use for my example on the mockup.
> 
> I don’t have any data on my hands, but in my experience, most people use exclusively console over watch expressions.

Doing watch expressions when not paused in scope would likely fail for most expressions. Are you proposing them to always be evaluated? At what interval? What about non-globl expressions? (I have not used Light Table yet.)

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