123456789101112131415161718192021222324 |
- 'use strict';
- var GetIntrinsic = require('get-intrinsic');
- var $TypeError = GetIntrinsic('%TypeError%');
- var isNaN = require('../../helpers/isNaN');
- var Type = require('../Type');
- // https://262.ecma-international.org/11.0/#sec-numeric-types-number-sameValueZero
- module.exports = function NumberSameValueZero(x, y) {
- if (Type(x) !== 'Number' || Type(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;
- };
|