[Webkit-unassigned] [Bug 257133] New: Does not update the HTML properly through Javascript

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=257133

            Bug ID: 257133
           Summary: Does not update the HTML properly through Javascript
           Product: WebKit
           Version: Safari 16
          Hardware: All
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: maria at ionic.io

# Safari Dynamic HTML bug

## Reproduction URL

https://github.com/thetaPC/safari-dynamic-html

## Description

Safari does not update when changing the HTML through Javascript. It uses the old HTML to determine the direction of the element. This is a problem when using `:dir()` to apply different styles to RTL and LTR languages.

## Steps to reproduce

1. Set the `dir` attribute of the `html` element to `ltr` in the HTML file.
2. Create a script that changes the `dir` attribute of the `html` element to `rtl` when the page is loaded.
3. Create a CSS file that applies different styles to an element based on the `dir` attribute.
4. Open the HTML file in Safari.

## Expected behavior

The element should be styled according to the `dir` attribute of the `html` element regardless of the initial value.

## Actual behavior

The element is styled according to the initial value of the `dir` attribute of the `html` element.

## Other information

This works as expected in Chrome and Firefox. The bug is present in Safari 16.4+. I have not tested older versions.

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