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Count Up & Down
Here, you can use stopwatch functions to count up and down - separately or together at once. Try it out! A neat JavaScript example.
Stopwatch
Stop at
Start at
Insert into <HEAD>
<SCRIPT LANGUAGE="JavaScript"> <!-- Begin var up,down;var min1,sec1;var cmin1,csec1,cmin2,csec2; function Minutes(data) { for(var i=0;i<data.length;i++) if(data.substring(i,i+1)==":") break; return(data.substring(0,i)); } function Seconds(data) { for(var i=0;i<data.length;i++) if(data.substring(i,i+1)==":") break; return(data.substring(i+1,data.length)); } function Display(min,sec) { var disp; if(min<=9) disp=" 0"; else disp=" "; disp+=min+":"; if(sec<=9) disp+="0"+sec; else disp+=sec; return(disp); } function Up() { cmin1=0; csec1=0; min1=0+Minutes(document.sw.beg1.value); sec1=0+Seconds(document.sw.beg1.value); UpRepeat(); } function UpRepeat() { csec1++; if(csec1==60) { csec1=0; cmin1++; } document.sw.disp1.value=Display(cmin1,csec1); if((cmin1==min1)&&(csec1==sec1)) alert("Stopwatch Stopped"); else up=setTimeout("UpRepeat()",1000); } function Down() { cmin2=1*Minutes(document.sw.beg2.value); csec2=0+Seconds(document.sw.beg2.value); DownRepeat(); } function DownRepeat() { csec2--; if(csec2==-1) { csec2=59; cmin2--; } document.sw.disp2.value=Display(cmin2,csec2); if((cmin2==0)&&(csec2==0)) alert("Countdown Stopped"); else down=setTimeout("DownRepeat()",1000); } // End --> </SCRIPT>
Insert into <BODY>
<CENTER> <FORM name="sw"> <TABLE border="0" width="100%"> <tr align="center"> <td><table border="3" width="100%"><tr> <th colspan="2">Stopwatch</th></tr> <tr align="center"> <td>Stop at<br> <input type="text" name="beg1" size="7" value="0:10"></td> <td><input type="button" value="Start" onclick="Up()"></td> </tr> <tr align="center"><td colspan="2"> <input type="text" name="disp1" size="7"></td></tr></table></td> <td> <input type="button" value="Start Both" onclick="Up();Down()"> </td> <td> <table border="3" width="100%"> <tr align="center"> <td>Start at<br><input type="text" name="beg2" size="7" value="0:10"></td> <td><input type="button" value="Start" onclick="Down()"></td> </tr> <tr align="center"><td colspan="2"> <input type="text" name="disp2" size="7"></td></tr></table></td></tr> </TABLE> </FORM> </CENTER>
Other Options
