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