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w00h00

Onfocus Onblur Contdown Timer Problem

By w00h00, in Javascript Problems

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w00h00   

w00h00
Posted

Hello I'm newbie in javascript and worked hard today on this and couldn't find the solution.

Please help me.

 

 

 

<script>

if (/*@cc_on!@*/false) {

document.onfocusin = startB;

document.onfocusout = stopB;

} else {

window.onfocus = startB;

window.onblur = stopB;

}

 

var x = 1000;

var y = 1;

 

function startB() {

if (x !== 'ok') {

x = x - y;

document.form.num.value = x;

timeoutID=setTimeout("startB()", 1000);

}

if (x == 0) {

x = 'ok';

document.form.num.value = x;

}

}

 

function stopB() {

clearTimeout(timeoutID);

}

</script>

<body onLoad="startB()">

<form name="form">

<input name="num" size="10" readonly="readonly" type="text">

</form>

 

 

When I open this page it counts down with value 1/sec normally and when I change window/tab it stops, I again come back it's continues 1/sec, this is what I want, but I have a big problem --> WHEN I GO TO THIS LINK AND CHANGE WINDOW/TAB VERY QUICKLY, THAT IS STILL UNLOADED, IT STARTS COUNTING DOWN IN ONBLUR STATUS, AND WHEN I COME BACK TO ONFOCUS STATUS, THE FUNCTION IS READ TWICE AND STARTS COUNTING DOWN 1/0.5sec... DOUBLE.

 

Can anyone help me with this?

Thanks in advance.

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