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31 lines
809 B
31 lines
809 B
/**
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* lodash 3.0.1 (Custom Build) <https://lodash.com/>
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* Build: `lodash modern modularize exports="npm" -o ./`
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* Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
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* Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
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* Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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* Available under MIT license <https://lodash.com/license>
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*/
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/**
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* Checks if `value` is `undefined`.
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*
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* @static
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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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