jacky1988li的专栏

function setCookie(name,value)  {      var Days = 30;      var exp = new Date();      exp.setTime(exp.getTime() + Days*24*60*60*1000);      document.cookie = name + "="+ escape (value) + ";expire

test hello var add = function(a, b) {     if (typeof a !== 'number' || typeof b !== 'number') {         throw {             name: 'TypeError',             message: 'add needs numbers'