Object Static Method
Object.assign()
Object Static Method to merge 2 objects into shallow copy
Object.freeze()
Object Static Method to make Object immutable
Object.isFrozen()
Object Static Method to return boolean if Object is frozen
Object.is()
Object Static Method to check if equality of two values, with even greater strictness than ===
Source: Object.is() - JavaScript | MDN
References
Object.isFrozen()↔ Object Static Method to returnbooleanif Object is frozenObject.assign()↔ Object Static Method to merge 2 objects into shallow copyObject.freeze()↔ Object Static Method to make Object immutableObject.is()↔ Object Static Method to check if equality of two values, with even greater strictness than===