编辑代码

var str = 'http://txcdn-file.letssing.net/vvmobilelive/pendant/24022316585428.png';
var lastStr = 'http://txcdn-file.letssing.net/vvmobilelive/pendant/24022316585428_iOS-kj-dt.webp';
var lastIndex = str.lastIndexOf( '/' );
var pre = str.substring( 0, lastIndex );
var goodsName = str.substring( lastIndex, str.length );
var goodsNamePre = goodsName.split( '.' )[0];
var finishSrc = pre + goodsNamePre + '_iOS-kj-dt.webp'
console.log('pre=---', pre)
console.log('goodsName=---', goodsName)
console.log('goodsNamePre=---', goodsNamePre)
console.log('finishSrc=---', finishSrc)
// var newStr = str.replace(/[^\/]+(?!.*\/)/,($1,$2) => {
//     console.log('s1---', $1,$2)
//     return 'iOS-kj-dt.webp'
// })
var newStr = str.replace(/(.+)\.[A-z]+$/,($1,$2) => {
    console.log('s1---', $1);
    console.log('s2---', $2);
    return $2+'_iOS-kj-dt.webp';
})

console.log(newStr)

var str2 = 'http://txcdn-file-m-mvbox-cn.letssing.net/handup/22096893287fe35024a028aecc0b7f58.zip';
str2.replace(/.zip$/,'.webp');
console.log(str2.replace(/.zip$/,'.webp'))


var item = [{goodsDateType: "1",cellPrice:"1"},{goodsDateType: "2",cellPrice:"3"}].find((item, i) => {
    return item.goodsDateType == 3
}) || {goodsDateType: "1",cellPrice:"1"}
console.log(item)

var time = 1710056691000;
// var time = 1710143091000;
// var time = 1710575091000;
var nowTime = new Date().getTime();
var leaveTime = time - nowTime;
var days = Math.floor(leaveTime / 1000 / 60 / 60 / 24);
console.log('time--', time, nowTime, leaveTime, days);