Defiant Example

HTML

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

JavaScript

var data = [
           {
              "heading1": "heading1",
              "heading2": "heading2",
              "heading3": "heading3",
              "heading4": "heading4",
              "heading5": "heading5",
              "heading6": "heading6"
           },
           {
              "column1": 65536,
              "column2": "school",
              "column3": "testing purpose",
              "column4": "DESKTOP",
              "column5": "ACTIVE",
              "column6": true,
              "column7": "a6cc82e0-a8d8-49b8-af62-cf8ca042c8bb"
           },
           {
              "column1": 98305,
              "column2": "Nikhil",
              "column3": "Test",
              "column4": "LAPTOP",
              "column5": "ACTIVE",
              "column6": true,
              "column7": "a6cc82e0-a8d8-49b8-af62-cf8ca042c8bb"
           }
        ],
        res = JSON.search( data, '//*[column4="DESKTOP"]' );

document.getElementById('output').innerHTML = res[0].column2;