另一个简单的计时

  1. <html>
  2. <head>
  3. <script type="text/javascript">
  4. function timedText()
  5. {
  6. var t1=setTimeout("document.getElementById('txt').value='2 seconds!'",2000)
  7. var t2=setTimeout("document.getElementById('txt').value='4 seconds!'",4000)
  8. var t3=setTimeout("document.getElementById('txt').value='6 seconds!'",6000)
  9. }
  10. </script>
  11. </head>
  12.  
  13. <body>
  14. <form>
  15. <input type="button" value="显示计时的文本！" onClick="timedText()">
  16. <input type="text" id="txt">
  17. </form>
  18. <p>在按钮上面点击。输入框会显示出已经流逝的 2、4、6 秒钟。</p>
  19. </body>
  20.  
  21. </html>