module.exports = {
name: 'Exactly one main heading', validate: function($, fail) { var mainHeadings = $('h1:visible'); var count = mainHeadings.length; if (count == 0) { fail('Found 0 h1 elements.'); } else if (count > 1) { fail('Found ' + count + ' h1 elements:', mainHeadings); } }
}