9 lines
247 B
JavaScript
9 lines
247 B
JavaScript
"use strict";
|
|
|
|
module.exports = function () {
|
|
var isSafeInteger = Number.isSafeInteger;
|
|
if (typeof isSafeInteger !== "function") return false;
|
|
return !isSafeInteger("23") && isSafeInteger(34232322323) &&
|
|
!isSafeInteger(9007199254740992);
|
|
};
|