Re: [PATCH v3 0/1] MR3567: jscript: handle Array.prototype.splice with omitted deleteCount

[Gabriel Ivăncescu]

Gabriel Ivăncescu (@insn) commented about dlls/jscript/array.c:
> }
>
> add_args = argc-2;
> +    } else if (argc && ctx->html_mode) {
> +        delete_cnt = length-start;

Are you sure this is html mode specific? To confirm, you should move the test to `documentmode.js` and see what happens in every mode, `es5.js` is for ES5+ (IE9+, but we test it in IE11 mode only).

If it turns out to be ES5 for example, you can use ctx->version >= SCRIPTLANGUAGEVERSION_ES5 instead. Otherwise you can keep html mode of course, if it works in all modes the same.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/3567#note_42308