RFR: 8339684: ResizeObserver callback interrupts smooth scrolling on Chrome

[Pavel Rappo]

On Tue, 10 Sep 2024 13:39:10 GMT, Hannes Wallnöfer <hannesw at openjdk.org> wrote:

> Please review a simple JavaScript change to avoid the `ResizeObserver` callback to interrupt smooth scrolling on Chrome browsers when an page with an anchor is loaded. Unfortunately, Chrome is susceptible to interrupt smooth scrolling if a script accesses the DOM while scrolling. Since the `ResizeObserver` callback is invoked when the page is loaded, Chrome failed to scroll to the element indicated by the anchor. This change causes the initial invocation of the callback to be ignored.
> 
> I have uploaded [sample docs built with this fix](https://cr.openjdk.org/~hannesw/8339684/api.00/) to be tested against the [unfixed docs](https://download.java.net/java/early_access/jdk24/docs/api/).

I checked this in Chrome. Your unfixed version is broken, and the fixed version works fine.

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Marked as reviewed by prappo (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/20935#pullrequestreview-2346115767