underscore playground

by Sulthan Allaudeen

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore.js"></script>
<div id="content">

</div>

JavaScript

var test = [{
  a: 1
}, {
  b: 2
}];
var test2 = [{
  a: 1
}];

var diff = _.filter(test, function(obj) {
  return !_.findWhere(test2, obj);
});
console.log(diff)