HTML5 Browser Push Notification

push-notification.js

function askForApproval(title = '', content = '', icon = '', url = '') {
	if(Notification.permission === "granted") {
		createNotification(
			title,
			content,
			icon,
			url
		);
	}
	else {
		Notification.requestPermission(permission => {
			if(permission === 'granted') {
				createNotification(
					title,
					content,
					icon,
					url
				);
			}
		});
	}
}

function createNotification(title, text, icon, url) {
	const noti = new Notification(title, {
		body: text,
		icon
	});
	noti.onclick = function () {
	  window.open(url);
	};
}

askForApproval('This is title', 'This is body text', 'https://via.placeholder.com/40x40', 'https://example.com');