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  1. /**
  2. * Checks if `value` is `null`.
  3. *
  4. * @static
  5. * @memberOf _
  6. * @since 0.1.0
  7. * @category Lang
  8. * @param {*} value The value to check.
  9. * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
  10. * @example
  11. *
  12. * _.isNull(null);
  13. * // => true
  14. *
  15. * _.isNull(void 0);
  16. * // => false
  17. */
  18. function isNull(value) {
  19. return value === null;
  20. }
  21. module.exports = isNull;