LangThe YUI Global Object
includes several useful type-checking methods in the Lang
object. In addition to the 'isXYZ' type check methods, YUI3 includes
Y.Lang.type, which returns a string representing the type of the tested
object. Click the "Check" button in each row to evaluate the data.
| Data | isObject | isArray | isFunction | type |
|---|---|---|---|---|
null |
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[] or new Array() |
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{} or new Object() |
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function Foo() {} |
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new Foo() |
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