Open the link:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findLastIndex
and then click "Run."

The field should then display "3" as the output.

Not working here either.

If I try with Supermium, it does work,
With that, there is code in the box next to the run and reset buttons when the page first loads, which is not there in 360Chrome.
I thought uBlock might have been causing the problem, but disabling it made no difference.
Don't know why this is I'm afraid.

Either the polyfil doesn't work, or the extension doesn't.

Is @NotHereToPlayGames stille here?

Edited July 16, 20251 yr by AndreasB.

My OrangeMonkey extension is certainly working for other scripts, so either the script itself is faulty or it isn't compatible with 360Chrome.

@NotHereToPlayGames is certainly still a member here, although not as active as they used to be.

5 hours ago, AndreasB. said:

Open the link:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findLastIndex
and then click "Run."

The field should then display "3" as the output.

Your issue is with the developer.mozilla.org "test".

findLastIndex does not require a polyfill in Chrome v97 and that "test" does not work in Chrome v97.

It most likely does not work in v98, v99, v100, v101...  et cetera...  And doesn't "start to work" until who knows where.

Again, Chrome v97 wholly and fully implements findLastIndex and even v97 cannot 'pass' that "test".

Thanks for getting in touch.
The test works with Supermium.

Do you perhaps have a solution for the following error:
Uncaught DOMException: Failed to execute 'querySelectorAll' on 'Document': ':autofill' is not a valid selector.

The test also works with Chrome v126 and Supermium is now at v132.

The test would have "started" working at some version between v97 and v126 - feel free to try each and every one of those versions to track it down specifically.

Generally speaking, you cannot use javascript (querySelectorAll) to affect pseudo-elements (:after, :before, :checkmark, :placeholder, etc) or to affect pseudo-classes (:autofill, :active, :modal, :fullscreen, :enabled, :disabled, :nth-child, :checked, etc).

You could try "::autofill" instead of ":autofill" (two colons instead of one), but I suspect that won't solve the javascript code using querySelectorAll to hunt down a pseudo-class.

Do you have any suggestions for autofill in Polyfill, so I could try it.
And maybe even instructions on how to integrate it into Tampermonkey.

Unsure of your real end-in-mind.

If it is for your browser to autofill usernames and passwords, this is what I use  --  https://www.crx4chrome.com/crx/328301/

23 hours ago, AndreasB. said:

I've installed Tampermonkey, but the polyfills I entered don't work.

Does anyone have a description of how to do this correctly and a link to the polyfills?

https://msfn.org/board/topic/182566-monkey-scripts/

If you are a beginner in Tampermonkey, start with the script called "Old Reddit Redirect", that one is easy to test whether you have set it up properly or not.

27 minutes ago, NotHereToPlayGames said:

Unsure of your real end-in-mind.

If it is for your browser to autofill usernames and passwords, this is what I use  --  https://www.crx4chrome.com/crx/328301/

I have not been able to register on one side for a few days and it shows the error listed in the console.
I would like to fix this error with it. Does that work?

You would have to provide the web site where you are not able to register.

I highly doubt that the autofill error in the console is the root cause for the inability to register.

26 minutes ago, NotHereToPlayGames said:

You would have to provide the web site where you are not able to register.

 

https://www.paypal.com/signin

You're not going to like the answer.

You need something like PROXOMITRON to change ":autofill" to "-webkit-autofill" for any version of Chrome older than v110 for the below javascript -

 

But that's ony the FIRST HURDLE.  Once you get past that, the error console will fill up with tons of more errors to overcome one by one.

ie, once you resolve the required -webkit-autofill for Chrome versions older than v110, the paypal site then loads TWO captcha's that 360Chrome cannot pass (especially in XP).

One from www.recaptcha.net and one from hcaptcha.com.

Can you describe how I have to set it in proxomitron so that it works?