Edit in JSFiddle

var el = new Element('a', {
    id: 'Awesome',
    title: 'Really?',
    text: 'I\'m awesome',
    href: 'http://mootools.net',
    events: {
        'click': function(e) {
            e.preventDefault();
            alert('Yes, really.');
        }
    },
    styles: {
        color: '#f00'
    }
});

    
el.inject(document.body);