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Module isUndefined

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Functions Lang

References

Renames and re-exports isUndefined

Lang Functions

  • isUndefined(value: any): value is undefined
  • Checks if value is undefined.

    since

    5.6.0

    example
    isUndefined(void 0)
    // => true

    isUndefined(null)
    // => false

    Parameters

    • value: any

      The value to check.

    Returns value is undefined

    Returns true if value is undefined, else false.