The page not response after assigning an array(2000+ length) to a ref.

[wiidede]

After assigning an array(2000+ length) to a ref, it will be stuck for about 20 seconds as long as the devtools is installed (even without opening the console). There will be no lag when the plugin is disabled in Chrome or in production mode. But I really don't know where to find the problem.

I can provide the trace if you want come to see this problem