Typescript Library Declarations (ES2023)
Reflect
isExtensible
Function isExtensible
is
Extensible
(
target
)
:
boolean
Returns a value that indicates whether new properties can be added to an object.
Parameters
target
:
object
Object to test.
Returns
boolean
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Typescript Library Declarations (ES2023)
Returns a value that indicates whether new properties can be added to an object.