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Perform function every second

in Getting Started • 8 years ago

I have created a page that grabs some data from a php page every second using a timer. However, I am pretty sure there is a way to make the code a lot shorter and neater, perhaps using a loop.

Here is the code

<script type="text/javascript">
$(document).ready(function() {
var delay = 10 ;
function countdown() {
setTimeout(countdown, 1000) ;
$('#countmesg').html("Ends in " + delay + " seconds.");
delay --;
if (delay == 10 ) {
$.post('grab.php', {name: name}, function(data) {
$('div#name-data').text(data);
});
}
if (delay == 9 ) {
$.post('grab.php', {name: name}, function(data) {
$('div#name-data').text(data);
});
}
if (delay == 8 ) {
$.post('grab.php', {name: name}, function(data) {
$('div#name-data').text(data);
});
}
if (delay == 7 ) {
$.post('grab.php', {name: name}, function(data) {
$('div#name-data').text(data);
});
}
if (delay == 6 ) {
$.post('grab.php', {name: name}, function(data) {
$('div#name-data').text(data);
});
}
if (delay == 5 ) {
$.post('grab.php', {name: name}, function(data) {
$('div#name-data').text(data);
});
}
if (delay == 4 ) {
$.post('grab.php', {name: name}, function(data) {
$('div#name-data').text(data);
});
}
if (delay == 3 ) {
$.post('grab.php', {name: name}, function(data) {
$('div#name-data').text(data);
});
}
if (delay == 2 ) {
$.post('grab.php', {name: name}, function(data) {
$('div#name-data').text(data);
});
}
if (delay == 1 ) {
$.post('grab.php', {name: name}, function(data) {
$('div#name-data').text(data);
});
}
if (delay < 0 ) {
$('#countmesg').html("Auction ended.");
delay = 0 ;
}
}
countdown() ;
});
</script>

Replies(1)

jay.blanc..

Re: Perform function every second

8 years ago

Have a look at setTimeout and setInterval. They will shorten your code.

http://javascript.info/tutorial/settimeout-setinterval

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