YUI recommends YUI3.
YUI 2 has been deprecated since 2011. This site acts as an archive for files and documentation.
This documentation is no longer maintained.
The Yahoo Global Object includes several useful type-checking methods in the YAHOO.lang
object. Click the Check button in each row to evaluate the data.
Data | isObject | isArray | isFunction |
---|---|---|---|
null |
|||
[] or new Array() |
|||
{} or new Object() |
|||
function Foo() {} |
|||
new Foo() |
|||
elem.getElementsByTagName('p') |
|||
YAHOO.util.Dom.
getElementsByClassName( |
YAHOO.lang
comes bundled with the YAHOO Global Object.
YAHOO.lang
available.
In this example, we use a few of the type-checking methods available in YAHOO.lang
to test various types of data.
YAHOO.lang
currently supports the following type checking methods:
All YUI 2.x users should review the YUI 2.8.2 security bulletin, which discusses a vulnerability present in YUI 2.4.0-2.8.1.
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