window.open cache problem

window.open returns null
javascript open popup window
window.open download file
window.open new tab
window.open javascript
window.open callback
window.open in same tab
window open modal=yes

I'm using window.open in a function to open a web page, which displays help for the current page.

The pages URL are stored in DB , some pages need authentication.

For these pages, the first time we call them the user has to authenticate, but if he closes the page and opens it another time , it's the cached page that is displayed.

I've try to add the time to the url, in order to not display the cached page

var oDate = new Date();
window.open(url+oDate.getTime());

But the browser is still displaying the cached url.

Any idea to resolve this problem?

Thanks.


You may want to try explicitly adding meta tags to your page:

<!-- HTTP 1.1 -->
<meta http-equiv="Cache-Control" content="no-store"/>
<!-- HTTP 1.0 -->
<meta http-equiv="Pragma" content="no-cache"/>
<!-- Prevents caching at the Proxy Server -->
<meta http-equiv="Expires" content="0"/>

window.open cache problem, open cache problem. The first time we call them, the user has to be authenticated but if he closes the page and opens it another time, it's the cached page which is displayed. I've tried to add the time to the url, in order to not display the cached page var oDate = new Date(); window. window.open cache problem . Rate this: HTML. web-dev. Hi all, I'm using a window.open in a function to open a web page, which displays help for the current page.


Set clearcache or clearsessioncache equal to yes as required:

window.open(url, '_blank', 'location=yes', 'clearcache=yes');

Window.open(), If you are using the window.open() function and want to ensure that the after the first <div> and no error. also the window open works for one� Clearing the cache in Safari for Windows. Once your browser is open, select Tools and click Show Menu bar. Select Edit and click Empty Cache. Note: Apple no longer offers Safari updates for Windows. Safari 5.1.7 for Windows was the last version made for Windows, and it is now outdated. Clearing the cache in Google Chrome. Open your browser and


Try this, if you want to open a new page, without caching problems... it seems to work for me:

function openGoogleLinkWithDummy()
    {
        var randNumber = Math.floor(Math.random()*99);
        var str="How are you doing today? " + randNumber;
        window.open("http://www.google.com?q=cat&" + randNumber);
    }

It surely works if you want to load a external javascript file (from server side code, at example, you append a random number to the name of the zzz.js file and it seems like zzz.js?v=123) but the trick will be ok for your problem, too.

The browser sees a different "version" every time you click the link because of the dummy number appended to the end.

Bye!

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