返回值:booleanjQuery.isWindow(obj)

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).

示例:

Finds out if the parameter is a window.

<!DOCTYPE html>
<html>
<head>
<script src="jquery.min.js"></script>
</head>
<body>

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

<script>

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

</script>
</body>
</html>
演示: