isObject.js 732 B

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  1. /**
  2. * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
  3. * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  4. *
  5. * @static
  6. * @memberOf _
  7. * @category Lang
  8. * @param {*} value The value to check.
  9. * @returns {boolean} Returns `true` if `value` is an object, else `false`.
  10. * @example
  11. *
  12. * _.isObject({});
  13. * // => true
  14. *
  15. * _.isObject([1, 2, 3]);
  16. * // => true
  17. *
  18. * _.isObject(1);
  19. * // => false
  20. */
  21. function isObject(value) {
  22. // Avoid a V8 JIT bug in Chrome 19-20.
  23. // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
  24. var type = typeof value;
  25. return !!value && (type == 'object' || type == 'function');
  26. }
  27. module.exports = isObject;