mirror of
https://github.com/musix-org/musix-oss
synced 2024-11-10 08:10:18 +00:00
22 lines
352 B
JavaScript
22 lines
352 B
JavaScript
'use strict';
|
|
|
|
// http://www.ecma-international.org/ecma-262/6.0/#sec-object.is
|
|
|
|
var numberIsNaN = function (value) {
|
|
return value !== value;
|
|
};
|
|
|
|
module.exports = function is(a, b) {
|
|
if (a === 0 && b === 0) {
|
|
return 1 / a === 1 / b;
|
|
}
|
|
if (a === b) {
|
|
return true;
|
|
}
|
|
if (numberIsNaN(a) && numberIsNaN(b)) {
|
|
return true;
|
|
}
|
|
return false;
|
|
};
|
|
|