reproduces on Ubuntu 16.04 as well

$ uname -a
Linux alexeytokar-XPS-13 4.4.0-98-generic #121-Ubuntu SMP Tue Oct 10 14:24:03 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux


Chrome version:
Version 62.0.3202.94 (Official Build) (64-bit)

the same on macOS 10.13.1

$ uname -a
Darwin nqstr.local 17.2.0 Darwin Kernel Version 17.2.0: Fri Sep 29 18:27:05 PDT 2017; root:xnu-4570.20.62~3/RELEASE_X86_64 x86_64

Version 62.0.3202.94 (Official Build) (64-bit)

the root cause is tabindexes for each of inputs on the page
if replace tabindexes with tabindex="1" for every element it will work as expected

We've also experienced this issue.

Windows, Chrome version:
Version 62.0.3202.94 (Official Build) (64-bit)

We have a page with a large number of <select> elements (all with tabIndex) values. When clicking on an element, we can have a delay of up to 10 seconds before the drop-down list appears.

I've made a simple JSFiddle that reproduces the issue here: https://jsfiddle.net/L19mn1rr/

In my browser, with that many <select> elements, clicking one basically hangs the browser for several seconds.

Seeing this issue as well when page has large number of tab indexes.

Hello

I have related this issue, and created in (chrome help forum) an question.

https://productforums.google.com/forum/?utm_medium=email&utm_source=footer#!msg/chrome/i_b_GICvUiM/i6DZDMSyBQAJ

regards,
Vinicius

Ajith, could you check if this is related to smart go changes
(and the threshold stuff temporarily fixed this?)?

Yes kochi@ this issue is fixed with https://chromium-review.googlesource.com/c/chromium/src/+/758481. We are investigating the threshold improvement @ https://bugs.chromium.org/p/chromium/issues/detail?id=787759. So closing this issue.

Thanks!