dist/domtokenlist.js
function (fn) {
        return function () {
            var tokens = arguments;
            var i;

            for (i = 0; i < tokens.length; i += 1) {
                fn.call(this, tokens[i]);
            }
        };
    }
function (fn) {
        return function () {
            var tokens = arguments;
            var i;

            for (i = 0; i < tokens.length; i += 1) {
                fn.call(this, tokens[i]);
            }
        };
    }
function ( fn ) { return function ( ) { var tokens = arguments ; var i ; for ( i = 0 ; i < tokens . length ; i += 1 ) { fn . call ( this , tokens [ i ] ) ; } } ; }
Older versions of the HTMLElement.classList spec didn't allow multiple arguments, easy to test for
Older versions of the HTMLElement . classList spec didn t allow multiple arguments easy to test for