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LibWeb: Refuse to recursively execute .execCommand()

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Spec issue:

  https://github.com/w3c/editing/issues/477
This commit is contained in:
Jelle Raaijmakers
2025-01-23 11:19:20 +01:00
committed by Andreas Kling
parent 0c854f9afc
commit f731cffbd8
Notes: github-actions[bot] 2025-01-24 22:54:31 +00:00 
Author: https://github.com/gmta
Commit: https://github.com/LadybirdBrowser/ladybird/commit/f731cffbd89
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3352
4 changed files with 32 additions and 0 deletions
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20
Tests/LibWeb/Text/input/Editing/execCommand-no-recursion.html Normal file
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<script src="../include.js"></script>
<div contenteditable="true"></div>
<script>
test(() => {
const range = document.createRange();
getSelection().addRange(range);
const divElm = document.querySelector('div');
range.setStart(divElm, 0);
range.setEnd(divElm, 0);
divElm.addEventListener('input', () => {
println('input event');
println(`inner result: ${document.execCommand('insertText', false, 'bar')}`);
});
println(`outer result: ${document.execCommand('insertText', false, 'foo')}`);
println(divElm.innerHTML);
});
</script>