js+数组实现网页上显示时间/星期几的实用方法

复制代码 代码如下:

  <html>

  <head>

  <script type="text/javascript">

  function startTime()

  {

  var today=new Date()

  var h=today.getHours()

  var m=today.getMinutes()

  var s=today.getSeconds()

  // add a zero in front of numbers<10

  m=checkTime(m)

  s=checkTime(s)

  document.getElementById('txt').innerHTML=h+":"+m+":"+s

  t=setTimeout('startTime()',500)

  }

  function checkTime(i)

  {

  if (i<10)

  {i="0" + i}

  return i

  }

  </script>

  </head>

  <body onload="startTime()">

  <div id="txt"></div>

  </body>

  </html>

  

复制代码 代码如下:

  <script type="text/javascript">

  var d=new Date()

  var weekday=new Array(7)

  weekday[0]="星期日"

  weekday[1]="星期一"

  weekday[2]="星期二"

  weekday[3]="星期三"

  weekday[4]="星期四"

  weekday[5]="星期五"

  weekday[6]="星期六"

  document.write("今天是" + weekday[d.getDay()])

  </script>