You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
20 lines
497 B
20 lines
497 B
'use strict'; |
|
|
|
var $TypeError = require('es-errors/type'); |
|
|
|
var isNaN = require('../../helpers/isNaN'); |
|
|
|
// https://262.ecma-international.org/11.0/#sec-numeric-types-number-sameValueZero |
|
|
|
module.exports = function NumberSameValueZero(x, y) { |
|
if (typeof x !== 'number' || typeof y !== 'number') { |
|
throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers'); |
|
} |
|
|
|
var xNaN = isNaN(x); |
|
var yNaN = isNaN(y); |
|
if (xNaN || yNaN) { |
|
return xNaN === yNaN; |
|
} |
|
return x === y; |
|
};
|
|
|