Go Premium for a chance to win a PS4. Enter to Win

x
  • Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 390
  • Last Modified:

jQuery: Select random nth element

How can I select a random matching element?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<title>Demo</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
 $('p:eq(rand)').css('border','2px solid red');
});
</script>
</head>
<body>
<p>0</p>
<p>1</p>
<p>2</p>
<p>3</p>
<p>4</p>
<p>5</p>
</body>
</html>

Open in new window

0
hankknight
Asked:
hankknight
1 Solution
 
leakim971PluritechnicianCommented:
Test page : http://jsfiddle.net/Ny5TV/

$(document).ready(function() {
 var rand = parseInt(Math.random() * $('p').length);
 $('p:eq(' + rand + ')').css('border','2px solid red');
});

Open in new window

0

Featured Post

VIDEO: THE CONCERTO CLOUD FOR HEALTHCARE

Modern healthcare requires a modern cloud. View this brief video to understand how the Concerto Cloud for Healthcare can help your organization.

Tackle projects and never again get stuck behind a technical roadblock.
Join Now