38 lines
799 B
JavaScript
38 lines
799 B
JavaScript
/**
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* Performs a
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* [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
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* comparison between two values to determine if they are equivalent.
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Lang
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* @param {*} value The value to compare.
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* @param {*} other The other value to compare.
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* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
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* @example
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*
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* var object = { 'a': 1 };
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* var other = { 'a': 1 };
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*
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* _.eq(object, object);
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* // => true
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*
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* _.eq(object, other);
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* // => false
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*
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* _.eq('a', 'a');
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* // => true
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*
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* _.eq('a', Object('a'));
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* // => false
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*
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* _.eq(NaN, NaN);
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* // => true
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*/
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function eq(value, other) {
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return value === other || (value !== value && other !== other);
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}
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module.exports = eq;
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