forked from projectmoon/tenebrous-dicebot
23 lines
416 B
JavaScript
23 lines
416 B
JavaScript
|
/**
|
||
|
|
* Checks if `value` is `undefined`.
|
||
|
|
*
|
||
|
|
* @static
|
||
|
|
* @since 0.1.0
|
||
|
|
* @memberOf _
|
||
|
|
* @category Lang
|
||
|
|
* @param {*} value The value to check.
|
||
|
|
* @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* _.isUndefined(void 0);
|
||
|
|
* // => true
|
||
|
|
*
|
||
|
|
* _.isUndefined(null);
|
||
|
|
* // => false
|
||
|
|
*/
|
||
|
|
function isUndefined(value) {
|
||
|
|
return value === undefined;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = isUndefined;
|