Stage 1 Draft / October 26, 2022

Get Intrinsic

19 Value Properties of the Global Object

19.3 Function Properties of the Global Object

19.3.2 getIntrinsic ( name )

The getIntrinsic function is the %getIntrinsic% intrinsic object. When the getIntrinsic function is called with one argument name, the following steps are taken:

  1. If Type(name) is not String, throw a TypeError exception.
  2. If the string-concatenation of "%", name, and "%" would match an intrinsic according to the notation described in Well-Known Intrinsic Objects, then
    1. Return that intrinsic.
  3. Throw a TypeError exception.
Note
When the name string succeeds in producing an intrinsic, the name string surrounded by "%" matches the intrinsic notation described in the specification in Well-Known Intrinsic Objects.

19.3.3 isFinite ( number )

The isFinite function is the %isFinite% intrinsic object. When the isFinite function is called with one argument number, the following steps are taken:

  1. Let num be ? ToNumber(number).
  2. If num is NaN, +∞𝔽, or -∞𝔽, return false.
  3. Otherwise, return true.

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