js对时间日期判断今天昨天明天

js对时间日期判断今天昨天明天

let time = function(date) {let time_str = "";if (new Date(date).getDate() === new Date().getDate()) {time_str = "今天";} else if (new Date(date).getDate() === (new Date().getDate() - 1)) {time_str = "昨天";} else if (new Date(date).getDate() === (new Date().getDate() + 1)) {time_str = "明天";} else if (new Date(date).getDate() < new Date().getDate()) {time_str = "过去";}return time_str;}