Requisição HTTP Basic Authorization com JS

gistfile1.js

$.ajax({
	url: "http://localhost:36210/api/values",
	type: "GET",
	dataType: "json",
	beforeSend: function(xhr){
		xhr.setRequestHeader('Authorization', 'Basic d2FsZHlyOjEyMw==');
	},
	success: function(data) { 
		$(data).each(function(index, value){
			console.log(index + ') '+ value); 
		});
	}
});