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TA貢獻(xiàn)1884條經(jīng)驗(yàn) 獲得超4個(gè)贊
將 映射dateList為僅包含日期(刪除時(shí)間部分):
let dateList = [ "2019-07-22T08:40:33.537Z", "2019-07-22T08:40:33.537Z", "2019-07-23T12:02:53.143Z", "2019-07-23T12:02:53.143Z", "2019-07-23T12:12:00.434Z", "2019-07-23T12:12:54.649Z", "2019-07-23T12:14:57.547Z", "2019-07-23T12:14:57.547Z", "2019-07-23T12:16:45.011Z", "2019-07-23T12:16:45.011Z", "2019-07-23T12:21:20.527Z", "2019-07-23T12:24:30.095Z", "2019-07-23T12:25:33.251Z", "2019-07-23T12:27:53.809Z", "2019-07-23T12:27:53.809Z" ]
const uniqueDates = [...new Set(
dateList
.map((str) => str.match(/^\d{4}-\d{2}-\d{2}/)[0])
)];
console.log(uniqueDates);
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