getJSON break FF history

[monstroplante]

If i redirect on the callback of getJSON and then use the back button on the browser, the displayed page is not the exepted one. (tested on FF3.5).

Here is a test code :

<a class="btTest">Test</a> <script type="text/javascript"> $('.btTest').click(function() { $.getJSON('​http://maps.google.com/maps/geo?callback=?', function() { window.location = '​http://google.fr'; }); }); </script>

I found a hack :

Handle JSONP-style loading window[ jsonp ] = function(tmp){setTimeout(function() {

data = tmp; success(); complete(); Garbage collect window[ jsonp ] = undefined; try{ delete window[ jsonp ]; } catch(e){} if ( head )

head.removeChild( script );

}, 1);};

[addyosmani]

#5044 is a duplicate of this ticket.

[Rick Waldron]

Confirmed.

​http://jsbin.com/uboce

(wont work correctly on jsfiddle)

[snover]

When a script loads and immediately redirects the page, Firefox pretends that it like the server performed a 3xx direct and removes the previous page from the browser history. This has nothing to do with jQuery.

​broken ​works, using onload ​works, using setTimeout

This does not happen if the assignment to window.location happens from the script’s onload method, or if it is deferred using setTimeout.

Workaround: Do not modify the location of the window using window.location in response to a JSONP call without wrapping it in setTimeout.