Service for get name the browser in device

checkDeviceService.js

let _getUserDevice = function () {
		let userAgent = $window.navigator.userAgent;
		let browsers = {chrome: /chrome/i, safari: /safari/i, firefox: /firefox/i};

		for(let key in browsers){
			if (browsers[key].test(userAgent)) {
				return key;
			}
		}