Refresh browser window on focus - is this possible?

jeff · Nov 19, 2003

Hello,

I'm building an internal web application using HTML/PHP/Javascript.
The system is flexible to the point where the user can have as many
browser windows open for each part of the system.

I would like a browser window that has just gained the focus to
refresh. Is this possible and how?

Thanks,
Jeff

Lasse Reichstein Nielsen · Nov 19, 2003

I'm building an internal web application using HTML/PHP/Javascript. ....
I would like a browser window that has just gained the focus to
refresh. Is this possible and how?

It depends on the browser. If it is an internal application, you might
know which browser is being used.

In Mozilla FB 0.7, IE6 and Opera 7 (probably other versions too), you
can use:
window.onfocus = function() { /* do someting */ };

/L

e · Nov 19, 2003

I'm totally making this up, but what about:

<script>
function refreshMe()
{
window.location = window.location;
}
</script>
....
<BODY onFocus="refreshMe()">
....

I dunno if "window.location = window.location" will really force a new
server request of the page. refreshMe() might need to be written using this
trick:

var now;
now = new Date();
window.location = window.location + '?' + now.getTime();

This technique of appending the current time as a parameter to a resource
name works with images; it prevents the browser from using a cached copy of
the image (webcams use this trick to force the browser to grab the same
image file from the server over and over without using the cached version),
but I have NO idea if it works with window.location

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Refresh browser window on focus - is this possible?

jeff

Lasse Reichstein Nielsen

e

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