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HTML js获取系统时间(刷新、不刷新)

JSHTML系统 获取 时间 刷新
2023-09-11 14:19:17 时间
  <script type="text/javascript">
  window.onload = function(){
    showTime();
  }
 
  function showTime(){
    var myDate = new Date();
    var year = myDate.getFullYear();
    var month = myDate.getMonth() + 1;
    var date = myDate.getDate();
    var dateArr = ["日","一",'二','三','四','五','六'];
    var day = myDate.getDay();
    var hours = myDate.getHours();
    var minutes = formatTime(myDate.getMinutes());
    var seconds = formatTime(myDate.getSeconds());
 
    var systemTime = document.getElementById("time");
    systemTime.innerHTML = " " + year + "年" + month +"月" + date + "日" + " 星期" + dateArr[day] + " " + hours + ":" + minutes + ":" + seconds;
    setTimeout("showTime()",500);	//该句控制循环
  }
 
  //格式化时间:分秒。
  function formatTime (i){
    if(i < 10){
      i = "0" + i;
    }
    return i;
  }
 
  </script>





<body>
  <div id ='time'></div>
</body>