Sandbox/68

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Revision as of 20:49, 28 November 2013 by Gerald Chi (talk | contribs)
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<!DOCTYPE html> <html> <head> <script> var c=0; var t; var timer_is_on=0;

function timedCount() { document.getElementById('txt').value=c; c=c+1; t=setTimeout("timedCount()",1000); }

function doTimer() { if (!timer_is_on) 

 {
 timer_is_on=1;
 timedCount();
 }

} </script> </head>

<body> <form> <input type="button" value="Start count!" onClick="doTimer()"> <input type="text" id="txt"> </form>

Click on the button above. The input field will count forever, starting at 0.

</body> </html>

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