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