7f2dd5260f
- Complete React app with 7 developer tools - JSON Tool with visual structured editor - Serialize Tool with visual structured editor - URL, Base64, CSV/JSON, Beautifier, Diff tools - Responsive navigation with dropdown menu - Dark/light mode toggle - Mobile-responsive design with sticky header - All tools working with copy/paste functionality
23 lines
416 B
JavaScript
23 lines
416 B
JavaScript
/**
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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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