docs(readme): update ie11 webpack config info

related to #706
TrilonIO · Dec 19, 2018 · cc1e9b8 · cc1e9b8
1 parent d0cae19
commit cc1e9b8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -427,7 +427,7 @@ import * as $ from 'jquery';
 
 ### How can I support IE9 through IE11?
 
-To support IE9 through IE11 open the `polyfills.ts` file in the `polyfills` folder and uncomment out the 'import polyfills' as needed.
+To support IE9 through IE11 open the `polyfills.ts` file in the `polyfills` folder and uncomment out the 'import polyfills' as needed. ALSO - make sure that your `webpack.config` and `webpack.config.vendor` change option of `UglifyJsPlugin` from `ecma: 6` to **`ecma: 5`**.
 
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