请问大神，怎么计算住了几晚啊

[yzs1228]

请问大神，怎么计算住了几晚啊

[xujia8k]

let time_diff = new Date(showOutDate).getTime()-new Date(showInDate).getTime(); let totalDays = Math.floor(time_diff / (24 * 3600 * 1000));