JavaScript Source Code 3000: Games: Count Down
Count Down
Set a JavaScript stopwatch that alarms when it reaches a certain time.
Timer-CountDown
Start at
JavaScript Source Code 3000: Games: Countdown
Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Apple-s). The script is yours!!!
<!-- ONE STEP TO INSTALL COUNT DOWN:
1. Copy the last code into the HEAD of your HTML document -->
2. Put the last coding into the BODY of your HTML document -->
<!-- STEP ONE: Add this code into the HEAD of your HTML document -->
<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>
<!-- STEP TWO: Add this code into the BODY of your HTML document -->
<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>
<!-- Script Size: 2.21 KB -->
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