Skip to content

Docs: Improve the solution for boolean-attributes #588

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
mgol merged 1 commit into from
Aug 12, 2025
Merged

Docs: Improve the solution for boolean-attributes #588

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion warnings.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,7 @@ This is _not_ a warning, but a console log message the plugin shows when it firs

**Cause**: Prior to jQuery 4.0, when calling `.attr( name, value )` with any non-`false` non-`null` `value`, jQuery would actually set it to `name`. Similarly, regardless of the actual value, `.attr( name )` used to return `name` lowercased. jQuery 4.0 removes this special behavior.

**Solution**: Always set boolean attributes to their names, whether when using jQuery (`.attr( name, name )`), native APIs (`.setAttribute( name, name )`) or directly in HTML (`<input checked="checked">`).
**Solution**: Always set boolean attributes to their names, whether when using jQuery (`.attr( name, name )`), native APIs (`.setAttribute( name, name )`) or directly in HTML (`<input checked="checked">`). Avoid using the `.attr( name )` getter on boolean attributes, `.prop( name )` is preferred.

### \[attr-false\] JQMIGRATE: Setting the non-ARIA non-boolean attribute 'NAME' to false

Expand Down
Loading