Popup Window Countdown (JavaScript)
This code opens a new popup window that contains a timer that counts down, then closes the window when it reaches 0. Will not work if user has a popup blocker blocking the page.
<html>
<head>
<title>Popup Timer</title>
<script language="JavaScript" type="text/JavaScript">
// popup window var
var popup;
// At what number shall the countdown counter start?
CounterStart = 10;
// This function CustomAction() can be modified to do
// whatever you want done every second.
function CustomAction() {
popup.document.timer.timeleft.value = CounterStart;
} // end of function CustomAction()
// end of JavaScript customization
function Decrement() {
CounterStart--;
CustomAction();
if(CounterStart <= 0) { popup.close(); alert('Timer reached 0'); }
else { setTimeout('Decrement()',1000); }
}
function StartTheCounter() {
openPopup(120,100);
setTimeout('Decrement()',1000);
}
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