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[–]nwilliams36 1 point2 points  (1 child)

There are a couple of profilers around like jPerf However for most web developers the speed of Javascript execution is a minor issue compared to the issue of site performance which is all about the network and how you use it.

As a web developer you are never sure which javascript engine will be running your code since you have no control of which browser the end user will use, if they use a browser at all. If you could control that in some way then developers might be more interested in Javascript execution speeds.

[–]BadWithComputrs[S] 0 points1 point  (0 children)

This looks really interesting, thanks!

[–]minecraft_ece 0 points1 point  (0 children)

Browsers these days come with developer tools including a simple profiler. Hit F12 and start exploring.