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Fix: Clear selection after programmatic focus to prevent Firefox text selection (fixes #843) #844

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Merged
oliverfoster merged 1 commit into from
Apr 13, 2026
Merged

Fix: Clear selection after programmatic focus to prevent Firefox text selection (fixes #843) #844

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4 changes: 4 additions & 0 deletions js/a11y/browserFocus.js
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,10 @@ export default class BrowserFocus extends Backbone.Controller {
if (!element) return;
// refocus on the existing active element to stop jaws from scrolling
this.a11y.focus(element, { preventScroll: true });
// Firefox sets a persistent selection anchor when focus is assigned
// programmatically, causing text to be unexpectedly selected on subsequent
// clicks. Clear any selection to prevent this.
window.getSelection()?.removeAllRanges();
}

/**
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