Not possible and you did not attach anything

I have written code previously which can on:ly do this by opening as a new window:

window.open(anyURL, '', 'fullscreen=yes, scrollbars=auto');

I did at the time also find code which could also close its parent window, but no longer have this as it was extremely browser version and crossbrowser sensitive. Therefore you can have a window open its own URIL in a new window and then close itself (in theory).

The problem is added to by tabbed browsing whereby new windows open in tabs according to client settings. Therefore you don't know what results such code will produce with the client, or how a particular platform might handle it.
Additionally it is not considered user-friendly to suddenly throw a full screen at the user as they obviously might be browsing you page with requirement to switch to other open apps at will.

In short you required code snippet is above, but your audience might not like or want it - losing visitors to your site.
Unless it is extremely vital (so you will need to KNOW your audience systems to KNOW it will work) then my advice is consider if you really need this.

I don't see any code attached. Am I losing my eyesight?

Meanwhile, have you considered the response of a user who does not want web sites putting them in full screen mode, or changing any other of their preferences?



Cd&

fullscreen=yes no longer works since IE8 servicepack something

If you are on an intranet and you need fullscreen, consider kiosk mode

iexplorer.exe -k index.html

I don't want to open a new window.
i just offer the user an icon that he can click on that will simulate the F11 key.
Currently I just tell him to do it (when he clicks on the icon), but I saw in another site that they do it (I didn't see how the do it and I don't have the link to it).
The code that I found is
 

jQuery.fn.simulateKeyPress = function(character) { 
		  // Internally calls jQuery.event.trigger 
		  // with arguments (Event, data, elem). That last arguments is very important! 
		  jQuery(this).trigger({ type: 'keypress', which: 122 }); 
		}; 
		 
		jQuery(document).ready( function($) { 
		  // Bind event handler 
		  $( 'body' ).keypress( function(e) { 
		    //alert( String.fromCharCode( e.which ) ); 
		    //console.log(e); 
		  }); 
		  // Simulate the key press 
		  $( 'body' ).simulateKeyPress('x'); 
		}); }

Select allOpen in new window

Its not what I wanted.

So if it was not what you wanted, then the answer was: Not possible, which is what I said from the beginning