jQuery.isWindow()

jQuery.isWindow ( obj ) Returns: booleanversion added: 1.4.3

  • obj
    Type: PlainObject
    Object to test whether or not it is a window.

Description: Determine whether the argument is a window.

This is used in a number of places in jQuery to determine if we're operating against a browser window (such as the current window or an iframe).

Examples:

Example: Finds out if the parameter is a window. 

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>css demo</title>

  <script src="//code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
  

Is 'window' a window? <b></b>

<script>

$( "b" ).append( "" + $.isWindow( window ) );

</script>

  
</body>
</html>

Demo: