wp-admin/includes/user.php:573function delete_users_add_js() { ?><script>jQuery( function($) { var submit = $('#submit').prop('disabled', true); $('input[name="delete_option"]').one('change', function() { submit.prop('disabled', false); }); $('#reassign_user').focus( function() { $('#delete_option1').prop('checked', true).trigger('change'); });} );</script> <?php}Introduced in 3.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/user.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.