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

[bugzilla-daemon at webkit.org]

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





--- Comment #14 from Brian Burg <burg at cs.washington.edu>  2013-12-20 19:11:54 PST ---

> No interval. Think of watch expressions as console.log statements. I guess it’s the same as probes in the Timelapse.  Timelapse didn’t work for me last time I tried to compile, so I’m not entirely sure.

Probes are associated with statements like breakpoints, and executed without pausing like console.log. In the prototype, probes are implemented as a type of breakpoint action. Probes are somewhat slower than console.log, because it is the moral equivalent of a breakpoint, whereas console.log is a native call from JS.

Probe samples are aggregated by call site rather than interleaved according to the flow of time in the program. It would be pretty easy to show the last collected probe sample value nearby the probe's call site in the text editor.

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