Disable Browser Close(x) Button

[venomdesign]

Is there a way to disable the close (x) button in netscape and IE, so until an action has been accomplished by the user in the window the window can not be closed.

 

[link9]

No, there isn't.

I'm fairly sure that's a security issue that the browsers address. Think about it -- you go to a site with a bunch of popups, and they all have the close buttons disabled???

While it might be useful every once in a blue moon, it's a very good thing that there isn't a way to do it.

 

[Guest_imported]

Although there is no way to disable to close (x) button directly, it can be achieved by a function in IE4+.

In the onload event of the window you call a function which has this text in it:
this.window.onbeforeunload=beforeUnload; //functionality for [x] closing the window

Because it is JScript, don't put the function bracets after the 'beforeUnload' call.

You also have to make a function called "beforeUnload" where you do your check like so:
function beforeUnload() {
return "Are you sure you want to quit?";
}

Now an alert with this text is shown. When you press OK, the window will close, otherwise it will remain opened.