Defiant Example

HTML

<script src="http://defiantjs.com/defiant.js/dist/defiant-latest.min.js"></script>
<div id="place"></div>

JavaScript

var data = [
       {
          "restaurant": {
             "name": "McDonald's",
             "food": "burger"
          }
       },
       {
          "restaurant": {
             "name": "KFC",
             "food": "chicken"
          }
       },
       {
          "restaurant": {
             "name": "Pizza Hut",
             "food": "pizza"
          }
       }
    ],
    res = JSON.search( data, '//*[food="pizza"]' );

document.getElementById('place').innerHTML = res[0].name;