Chrome - Disable javascript without reload?

Question

Chrome, as well as a number of extensions enable you to disable javascript so on your page, but all of them force some type of reload to the page.

I am trying to diagnose a poor scrolling performance issue. I would like to have JS enabled while the content loads and initiates, and then disable it altogether, to check whether the issue is script-based or it's just the heavy page content that's causing the issue.

Is there any way to do this?

I don’t think there is. (Implementing this properly would probably just be too complex. You have to decide if you want to ride the bobby car or a real automobile up front - you can’t just decide to convert one into the other on-the-fly while you are racing down the highway.) — C3roe
– C3roe, Commented Nov 23, 2016 at 10:48
You can use the new "Disable Javascript" option in the Command window. See Kayce's answer here: stackoverflow.com/a/40727332/1814840 — Gideon Pyzer
– Gideon Pyzer, Commented Nov 23, 2016 at 10:52
That works, thanks. The question to that answer doesn't explicitly ask for "no reload" but this seems to do just that. You might as well leave it as an answer. — iuliu.net
– iuliu.net, Commented Nov 23, 2016 at 10:56
I'd rather consider real profiling. You can start the Chrome profiler after your page has been loaded, start scrolling and stop the profiler. Additionally to just tell you that this might be coming from your script it also tells you pretty exactly which line of code causes this trouble. — mistapink
– mistapink, Commented Nov 23, 2016 at 10:58
Possible duplicate of How to disable JavaScript in chrome developer tools — törzsmókus
– törzsmókus, Commented Mar 29, 2018 at 8:05

Community · Accepted Answer · 2017-05-23 12:03:05Z

11

You can use the Devtools Command menu to "Disable Javascript" and "Enable Javascript". This was demonstrated recently by Kayce's answer to How to disable javascript in chrome developer tools.

edited May 23, 2017 at 12:03

CommunityBot

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answered Nov 23, 2016 at 11:13

Gideon Pyzer

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