JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://cdnjs.cloudflare.com/ajax/libs/handlebars.js/1.0.0.beta2/handlebars.min.js"></script>
<script id="template" type="text/x-handlebars-template">
    {{#eachkeys data}}
    <li>{{this.key}} - {{this.value}}</li>
    {{/eachkeys}}
</script>
<div id="content">
</div>

JavaScript

Handlebars.registerHelper('eachkeys', function(context, options) {
  var fn = options.fn, inverse = options.inverse;
  var ret = "";

  var empty = true;
  for (key in context) { empty = false; break; }

  if (!empty) {
    for (key in context) {
        ret = ret + fn({ 'key': key, 'value': context[key]});
    }
  } else {
    ret = inverse(this);
  }
  return ret;
});

$(function() {
    var data = {"interval":"2012-01-21",
      "advertiser":"Advertisers 1",
      "offer":"Life Insurance",
      "cost_type":"CPA",
      "revenue_type":"CPA"};
                
    var source   = $("#template").html();
    var template = Handlebars.compile(source);
    $('#content').html(template({'data': data}));
});