Checks if an object has a property with a defined getter function.
Checks if an object has a property with a defined setter function.
Returns true if an object has any of the specified keys.
Returns true if a string is a valid CSS timing function.
functions for determining types of values
Return true if `key` exists deeply on the given object.
Return true if an object has the given key. Dot-notation may be used to check for nested keys.
Pure feature detection library, a la carte style.
A safer hasOwnProperty wrapper
powered by npms.io 🚀