五个javascript倒计时实例源码
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2016-07-27
09:04:50
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1. 第一种：精确到秒的 javascript 倒计时代码
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5. HTML 代码:
6.
7. <formname="form1">
8. <divalign="center"align="middle">
9. <center>离 2010 年还有:<br>
10. <inputtype="textarea"name="left"size="35"style="text-align:center
"mce_style="text-align:center">
11. </center>
12. </div>
13. </form>
14. <mce:scriptLANGUAGE="javascript"><!--
15. startclock()
16. vartimerID=null;
17. vartimerRunning=false;
18. functionshowtime(){
19. Today=newDate();
20. varNowHour=Today.getHours();
21. varNowMinute=Today.getMinutes();
22. varNowMonth=Today.getMonth();
23. varNowDate=Today.getDate();
24. varNowYear=Today.getYear();
25. varNowSecond=Today.getSeconds();
26. if(NowYear<2000)
27. NowYear=1900+NowYear;
28. Today=null;
29. Hourleft=23-NowHour
30. Minuteleft=59-NowMinute
31. Secondleft=59-NowSecond
32. Yearleft=2009-NowYear
33. Monthleft=12-NowMonth-1
34. Dateleft=31-NowDate
35. if(Secondleft<0)
36. {
37. Secondleft=60+Secondleft;
38. Minuteleft=Minuteleft-1;
39. }
40. if(Minuteleft<0)
41. {
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