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【挑战系列4】实现一个倒计时 #6

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Chocolate1999 opened this issue Aug 31, 2020 · 0 comments
Open

【挑战系列4】实现一个倒计时 #6

Chocolate1999 opened this issue Aug 31, 2020 · 0 comments

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@Chocolate1999
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截止时间 2020年11月11日 0点

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>倒计时</title>
</head>
<body>
  <section>
    <p>倒计时</p>
    <span class="daySpan"></span>
    <span class="hourSpan"></span>
    <span class="minuSpan"></span>
    <span class="secondSpan"></span>
  </section>
  <script>
    let daySpan = document.querySelector('.daySpan')
    let hourSpan = document.querySelector('.hourSpan')
    let minuSpan = document.querySelector('.minuSpan')
    let secondSpan = document.querySelector('.secondSpan')
    let deadLine = new Date('2020-11-11 00:00')
    let countDown = () =>{
      let timeout = deadLine - new Date()
      if(timeout < 0) return 0
      let day = Math.floor(timeout/1000/60/60/24)
      let hour = Math.floor(timeout/1000/60/60%24)
      let minu = Math.floor(timeout/1000/60%60)
      let second = Math.floor(timeout/1000%60)
      daySpan.innerHTML = day + '天'
      hourSpan.innerHTML = hour + '时'
      minuSpan.innerHTML = minu + '分'
      secondSpan.innerHTML = second + '秒'
      setTimeout(countDown,1000)
    }
    countDown()
  </script>
</body>
</html>
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@Chocolate1999