Computes a signed difference between two Date objects as milliseconds.

Type signature

(a: Date, b: Date) => number

Examples

dateDiff(
  new Date(
    "2017-01-01T13:00:00.000Z"
  ),
  new Date(
    "2017-01-01T12:00:00.000Z"
  )
);
// ⇒ 3600000
Try in REPL

Questions

  • How to compute Date difference?

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