['2022-02-14 15:49:03', '2022-02-24 15:49:22', '2022-02-25 15:49:23']怎么把每个元素的时分秒去掉，只留下年月日？

Question

['2022-02-14 15:49:03', '2022-02-15 15:49:17', '2022-02-16 15:49:18', '2022-02-17 15:49:18', '2022-02-18 15:49:19', '2022-02-19 15:49:19', '2022-02-20 15:49:20', '2022-02-21 15:49:20', '2022-02-22 15:49:21', '2022-02-23 15:49:22', '2022-02-24 15:49:22', '2022-02-25 15:49:23', ob: Observer]怎么把每个元素的时分秒去掉，只留下年月日？

Answer 1

const list = ['2022-02-14 15:49:03', '2022-02-24 15:49:22', '2022-02-25 15:49:23'];
    const newList = []
    list.map(t => {
      const date = t.split(" ")[0]
      if (date) {
        newList.push(date)
      }
    })
    console.log('newList', newList)

试一下