* Create key-value caches of limited size * @returns {Function(string, Object)} Returns the Object data after storing it on itself with * property n

* Create key-value caches of limited size * @returns {Function(string, Object)} Returns the Object data after storing it on itself with * property n

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* For feature detection * @param {Function} fn The function to test for native support

* For feature detection * @param {Function} fn The function to test for native support

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