consumeAPIClashOfClans.js

let token = "MyTokenString";
		let clantag = "#P8LJGY9V";
		let client = new XMLHttpRequest();
		let cors = 'https://cors-anywhere.herokuapp.com/';
		client.open('get',cors+'https://api.clashofclans.com/v1/clans/'+encodeURIComponent(clantag),'true');
		client.setRequestHeader('Authorization', 'Bearer '+token);
		client.setRequestHeader('Accept', 'application/json');
		client.onload = () => {
			if(client.readyState==4 && client.status==200) { 
				console.log(client.responseText);
			}else{
				console.log(client.statusText);
			}
		};
		client.send();