js语法

1.匿名函数

(function(){}(**code**));

2. 时间截取

function splitTime(times){
    var timeArr = times.replace(" ", ":").replace(/\:/g, "-").split("-");
    var timeStr = ""+timeArr[0]+"/" + timeArr[1] + "/" + timeArr[2]
    return timeStr
}

var a = "2020-10-28 10:21:21"

splitTime(a)