function buildCatList(list, returnVal, fn) {        setTimeout(function (name) {        console.log(name);            var catList = list === '' ? name : list + ',' + name;            fn(catList);        }, 1, returnVal);    }    buildCatList('', 'Panther', getJanguar);    function getJanguar(list) {        buildCatList(list, 'Janguar', getLynx);    }    function getLynx(list) {        buildCatList(list, 'Lynx', getSnowLeopard);    }    function getSnowLeopard(list) {        buildCatList(list, 'Snow Leopard', getLion);    }    function getLion(list) {        buildCatList(list, 'Lion',print);    }    function print(list) {        console.log(list);    }