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Version: 3.35.1

Reflect.isExtensible()

The static Reflect.isExtensible() method determines if an object is extensible (whether it can have new properties added to it). It is similar to Object.isExtensible(), but with some differences.

Syntax​

Reflect.isExtensible(target)

Parameters​

  • target
    • : The target object which to check if it is extensible.

Return value​

A Boolean indicating whether or not the target is extensible.

Exceptions​

A TypeError, if target is not an Object.