test.js

function handle_load(article) {
	var title = document.createElement('h1');
	var content = document.createElement('div');

	title.innerHtml = article.item.title;
	content.innerHtml = article.item.content;
}

new Communicator('articles')
	.on_load(handle_load)
	.get('json_article', {id: 1});