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Day: January 28, 2019

Object.isExtensible()

Object.isExtensible()

Object.isExtensible () indicates whether to add new properties to an object and returns this result.

Object.is()

Object.is()

Object.is () checks whether the two values ​​are of the same value.

Object.getPrototypeOf()

Object.getPrototypeOf()

The Object.getPrototypeOf () method returns the prototype of an independent variable (that is, the value of the internal [[Prototype]] property).