1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
| '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;
| };
|
|
