Bookmarklets to quickly check and uncheck checkboxes

gistfile1.txt

Check all
javascript:(function(){$('input[type="checkbox"]').attr('checked',true);})();

Uncheck all
javascript:(function(){$('input[type="checkbox"]').attr("checked",false);})();

These require jQuery, non jQuery versions welcome

Designed to cope with Drupal (TM)

// Check all checkboxes
Array.prototype.slice.call( document.querySelectorAll( 'input[type="checkbox"]' ) ).forEach( checkbox => checkbox.checked = true );
// Uncheck all checkboxes
Array.prototype.slice.call( document.querySelectorAll( 'input[type="checkbox"]' ) ).forEach( checkbox => checkbox.checked = false );