JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.aspnetcdn.com/ajax/knockout/knockout-2.2.1.js"></script>
<a href="#" data-bind="text: 'Översikt', click: function(){ setHeadline.bind($data,'Översikt'); getOngoingAuctions() }, css: { active: 'Översikt' == headline() }" class="lead"></a>

JavaScript

var viewModel = function(){
    var self = this;
    self.ongoingAuctions = ko.observableArray([]);
    self.getOngoingAuctions = function(data) {
        $.getJSON("assets/json/auctions.json", function(data) {
            self.ongoingAuctions(data);
        });
    }
    self.setHeadline = function(){
        console.log('set headline')
    }
    self.headline = function(){
        console.log('headline');
    }
}

var myVm = new viewModel();

ko.applyBindings(myVm);