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Countdown to ???
A JavaScript stopwatch that counts down from a predetermined time then alerts the user.
Timer-CountDown
Start at
Insert into <HEAD>
<SCRIPT LANGUAGE="JavaScript"> <!-- Hide the script from old browsers -- <!-- Original: Michael P. Scholtis (mpscho@planetx.bloomu.edu) <!-- 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("Timer-CountUp 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("Timer-CountDown Stopped"); else down=setTimeout("DownRepeat()",1000); } // End --> </SCRIPT>
Insert into <BODY>
<CENTER> <FORM name="sw"> <TABLE border="3" width="100%"> <TR><TH colspan="2">Timer-CountDown</TH></TR> <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="9"></TD></TR> </TABLE> </FORM> </CENTER>
Other Options
