?
Solved

Random META Refresh 30-90seconds

Posted on 2001-08-19
6
Medium Priority
?
633 Views
Last Modified: 2008-01-09
Is there any way to create a random interval in the META refresh tag?
I would like the same page on my own server to RANDOMLY refresh every 30 to 90 seconds.

0
Comment
Question by:boopsie
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
  • 2
6 Comments
 
LVL 15

Expert Comment

by:a.marsh
ID: 6405205
As far as I know it cannot be done with just HTML. There are two ways I can think of:

1 - Use server side scripting to generate the META tag - let us know what you have available and then we can put a solution together for you.

2 - Use javascript:

<html>
<head>
<script language="javascript">
<!--

refreshString = "window.location.reload();";
randVal = (Math.round(Math.random()*(10-5)))+5;;

window.setTimeout(refreshString, randVal * 1000);

//-->
</script>
</head>
<body>
hello!
</body>
</html>


:o)

Ant
0
 
LVL 15

Expert Comment

by:a.marsh
ID: 6405208
Whoops - slight mistake change:

randVal = (Math.round(Math.random()*(10-5)))+5;;

to:

randVal = (Math.round(Math.random()*(90-30)))+30;



I just used smaller numbers while testing it. :o)

Ant
0
 
LVL 1

Accepted Solution

by:
james_beilby earned 800 total points
ID: 6405691
<html>
<head>
<script language="javascript">
<!--
document.write("<meta http-equiv='refresh' content='"+(Math.round(Math.random()*60)+30)+"'>");
//-->
</script>
</head>
<body>
</body>
</html>

This dynamically writes a refresh META tag with the random seconds value. Operationally, it won't be any different from Ant's answer, but you asked to use <meta> tags so... :-)
0
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.

 
LVL 15

Expert Comment

by:a.marsh
ID: 6405698
I was thinking of that James, but (I might be getting confused with something else) I wasn't convinced it would work....especially in different browsers.

Ant
0
 
LVL 1

Expert Comment

by:james_beilby
ID: 6405714
Well it works in Internet Explorer and Netscape which is good enough for me - document.write() is usually pretty reliable when loading the page. But if you're going to use JavaScript at all, you might as well use the window.setTimeout() approach.
0
 

Author Comment

by:boopsie
ID: 6411552
Thank you James, it works perfect!
I've tacked on an extra 100 for a job well done.
0

Featured Post

Why Off-Site Backups Are The Only Way To Go

You are probably backing up your data—but how and where? Ransomware is on the rise and there are variants that specifically target backups. Read on to discover why off-site is the way to go.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Finding original email is quite difficult due to their duplicates. From this article, you will come to know why multiple duplicates of same emails appear and how to delete duplicate emails from Outlook securely and instantly while vital emails remai…
Today, the web development industry is booming, and many people consider it to be their vocation. The question you may be asking yourself is – how do I become a web developer?
The viewer will the learn the benefit of plain text editors and code an HTML5 based template for use in further tutorials.
The viewer will learn the basics of jQuery, including how to invoke it on a web page. Reference your jQuery libraries: (CODE) Include your new external js/jQuery file: (CODE) Write your first lines of code to setup your site for jQuery.: (CODE)
Suggested Courses

752 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question