返回值:booleanjQuery.isWindow(obj)
Determine whether the argument is a window.
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1.4.3 新增jQuery.isWindow(obj)
obj (Object) Object 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).
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>