cookie学习笔记-通过数组读取cookie

function setCookie(name, value, iDay){var oDate=new Date();oDate.setDate(oDate.getDate()+iDay);document.cookie=name+'='+value+';expires='+oDate;}function getCookie(name){//'username=abc; password=123456; aaa=123; bbb=4r4er'是一个字符串var arr=document.cookie.split('; ');var i=0;//arr->['username=abc', 'password=123456', ...]for(i=0;i<arr.length;i++){//arr2->['username', 'abc']var arr2=arr[i].split('=');if(arr2[0]==name){return arr2[1];}}return '';}function removeCookie(name){setCookie(name, '1', -1);}