JSV_isWindowDefined - JavaScript Vision

Determines whether or not the named window has been defined.

Syntax

JSV_isWindowDefined(winName)

Returns

The JSV_isWindowDefined returns true if the window has been defined; otherwise, false.

Parameters

The JSV_isWindowDefined function uses the following arguments.

Argument	Description
winName	The name of a window that may have been created using either `JSV_openWindow` or `JSV_defineWindow`.

Remarks

n/a

Dependencies

n/a

Example

The following lines of code


var myWindow = "Jack_in_the_Box";
function windowDefinition() {
    var dummy = JSV_defineWindow(myWindow,
            'testpage.htm',
            'menubar=1,status=1,scrollbars=1,resizable=1,width=580,height=240,left=40,top=40,screenX=40,screenY=40');
}

function windowTest() {
    if ( JSV_isWindowDefined(myWindow) )
        alert(myWindow + ": Window has been defined.");
    else
        alert(myWindow + ": Window has not been defined.");
}

produce