nl_tokens: Add or remove classes from the given element .
pl_tokens: function toggleClass ( element , value , added ) { if ( ! value ) { return ; } if ( isNumber ( element . length ) ) { forEach ( element , function ( elem ) { toggleClass ( elem , value , added ) ; } ) ; return ; } // IE10-11 doesn't support the second parameter of `classList.toggle` if ( added ) { addClass ( element , value ) ; } else { removeClass ( <mask> , value ) ; } }