jQuery.isWindow()

Categories: Utilities

jQuery.isWindow( obj ) Returns: boolean

Description: Determine whether the argument is a window.

version added: 1.4.3jQuery.isWindow( obj )

objObject to test whether or not it 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).

Example:

Finds out if the parameter is a window.

<!DOCTYPE html>
<html>
<head>
  <script src="http://code.jquery.com/jquery-1.4.4.js"></script>
</head>
<body>
  Is 'window' a window? <b></b>
<script>$("b").append( "" + $.isWindow(window) );</script>

</body>
</html>

Demo:

User Contributions

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Scipion

var a={setInterval:2};
window===a;//false
but
$.isWindow(a); //true
Bruce King

it's a crude method man~ ;)

jQuery API