The objIsFrozen() method determines if an object is frozen. An object is frozen if and only if it is not
extensible, all its properties are non-configurable, and all its data properties are non-writable.
Parameters
obj: any
The object to check if it is frozen.
Returns boolean
A Boolean indicating whether or not the given object is frozen.
The
objIsFrozen()
method determines if an object is frozen. An object is frozen if and only if it is not extensible, all its properties are non-configurable, and all its data properties are non-writable.