2022-autumn-study / node_modules / es5-ext / number / is-nan / is-implemented.js

"use strict";

module.exports = function () {
	var numberIsNaN = Number.isNaN;
	if (typeof numberIsNaN !== "function") return false;
	return !numberIsNaN({}) && numberIsNaN(NaN) && !numberIsNaN(34);
};