How to merge object in IE 11
You can use jQuery method $.extend() which work in IE 11. var object = {name: ‘John’, surname: ‘Rowland’}; var newObject = $.extend({}, object); newObject.age=”30″; console.log(object); console.log(newObject) <script src=”https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js”></script>