Browser Support

The Syncfusion Angular UI components are supported only in modern browsers. This includes the following versions.

Required Polyfills

A polyfill is a piece of code (usually JavaScript on the Web) used to provide modern functionality on older browsers that do not natively support it.

The Syncfusion Angular UI components are supported in IE 11 browser with ES6 Promise polyfill.

Ways to add polyfills

There are two ways to add polyfill in application,

Polyfill with CDN

You can add ES6 Promise polyfill using below CDN in your HTML file.

<!-- Automatically provides/replaces `Promise` if missing or broken. -->
<script src="https://cdn.jsdelivr.net/npm/es6-promise@4/dist/es6-promise.js"></script>
<script src="https://cdn.jsdelivr.net/npm/es6-promise@4/dist/es6-promise.auto.js"></script>
<!-- Minified version of `es6-promise-auto` below. -->
<script src="https://cdn.jsdelivr.net/npm/es6-promise@4/dist/es6-promise.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/es6-promise@4/dist/es6-promise.auto.min.js"></script>

Polyfill With NPM

ES6 Promise polyfill can also be installed in npm.

You can use below command to install via npm.

yarn add es6-promise
(or)
npm install es6-promise

You can use like below in your code.

var Promise = require('es6-promise').Promise;

For further details, refer to the link here.