离过年还剩多少天多少小时......

function get() {
        var now = +new Date()
        var guonian = +new Date('2023-1-22')
        var shenxia = parseInt((guonian - now) / 1000)
        var y = parseInt(shenxia / 60 / 60 / 24) //计算天数
        y = y < 10 ? '0' + y : y
        var h = parseInt(shenxia / 60 / 60) % 24 //计算小时
        h = h < 10 ? '0' + h : h
        var m = parseInt(shenxia / 60) % 60 //计算分数
        m = m < 10 ? '0' + m : m
        var s = parseInt(shenxia % 60) //计算秒数
        s = s < 10 ? '0' + s : s
        var oSpan = document.querySelectorAll("span");
        var timeArr = [y, h, m, s];
        for (var i = 0; i < oSpan.length; i++) {
            oSpan[i].innerText = timeArr[i];
        }
    }
    get()
    setInterval(get, 1000)