JS 判断("2020-01-15 16:17")的时间显示，

//判断时间显示
Vue.prototype.judgeTime = function (data) {
if (data) {
var Ndata = data.replace(/-| |:/g, '')
var date = Ndata.toString();
var year = date.substring(0, 4);
var month = date.substring(4, 6);
var day = date.substring(6, 8);
//时分
var time = data.substring(data.length - 5);
//年月日
var ymd = data.substring(0, 10);
var d1 = new Date(year + '/' + month + '/' + day);
var dd = new Date();
var y = dd.getFullYear();
var m = dd.getMonth() + 1;
var d = dd.getDate();
var d2 = new Date(y + '/' + m + '/' + d);
var iday = parseInt(d2 - d1) / 1000 / 60 / 60 / 24;
var timeV;
if (iday == 0) {
timeV = '浏览时间：' + time
} else if (iday == 1) {
timeV = '浏览时间：昨天'
} else if (iday == 2) {
timeV = '浏览时间：前天'
} else if (iday > 2) {
timeV = ymd
}
} else {
timeV = ''
}
return timeV;
}