2 * Checks if `value` is `undefined`.
7 * @param {*} value The value to check.
8 * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
11 * _.isUndefined(void 0);
14 * _.isUndefined(null);
17 function isUndefined(value) {
18 return value === undefined;
21 module.exports = isUndefined;