Mutation Observers polyfill

Mutation Observers provide a way to react to changes in the DOM. This is needed on IE versions 9 and 10, see

More information

Getting started

Include the polyfill in your HTML <head>:

    <script src="packages/mutation_observer/mutation_observer.js"></script>

You can also use a minified version for deployment:

    <script src="packages/mutation_observer/mutation_observer.min.js"></script>

Getting the source code

The source for this package is at:

The original source of the JavaScript code is at:


The minified version is produced with:

    uglifyjs mutation_observer.js -o mutation_observer.min.js

See for usage of UglifyJS.