封装cookie

// document.cookie = "name='张三'；expires=time"
    function setCookie(name, value, time) {
        var now = new Date()
        now.setDate(now.getDate()+time)//设置过期时间
        document.cookie = name+'='+value+';expires='+now
    }

    function getCookie(name) {
        var arr = document.cookie.split(';')
        for (var i=0;i<arr.length;i++){
            var arr2 = arr[i].split('=')
            if(arr2[0] == name){
                return arr2[1]
            }
        }
        return ''
    }

    function removeCookie(name){
        setCookie(name,11231321,-1)
    }


    setCookie("stu","张三",1)
    setCookie("stu1","张三1",1)
        // ['stu=张三', 'stu1=张三1']
        // ['stu','张三']
    // var cook = document.cookie