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at April 1, 2011 06:43 by reverend
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<html> <head> <title>Countdown</title> <script type="text/javascript"> // set minutes var mins = 5; // calculate the seconds (don't change this! unless time progresses at a different speed for you...) var secs = mins * 60; function countdown() { setTimeout('Decrement()',1000); } function Decrement() { if (document.getElementById) { minutes = document.getElementById("minutes"); seconds = document.getElementById("seconds"); // if less than a minute remaining if (seconds < 59) { seconds.value = secs; } else { minutes.value = getminutes(); seconds.value = getseconds(); } secs--; setTimeout('Decrement()',1000); } } function getminutes() { // minutes is seconds divided by 60, rounded down mins = Math.floor(secs / 60); return mins; } function getseconds() { // take mins remaining (as seconds) away from total seconds remaining return secs-Math.round(mins *60); } </script> </head> <body> <div id="timer"> This is only valid for the next <input id="minutes" type="text" style="width: 14px; border: none; background-color:none; font-size: 16px; font-weight: bold;"> minutes and <input id="seconds" type="text" style="width: 26px; border: none; background-color:none; font-size: 16px; font-weight: bold;"> seconds. </div> <script> countdown(); </script>
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Javascript count down timer in minutes and seconds
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JavaScript