$ sudo npm install mutationobserver-shim
$ sudo npm install -g mutationobserver-shim

If want to update the mutationobserver-shim package execute the command as below,

$ sudo npm update mutationobserver-shim

Update package globally,

$ npm install -g mutationobserver-shim

Git clone:

$ sudo  git clone https://github.com/rektide/mutationobserver-shim.git

$ sudo  npm install -g ./mutationobserver-shim

mutationobserver-shim@0.3.2 /usr/lib/node_modules/mutationobserver-shim

How to remove mutationobserver-shim package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall mutationobserver-shim

Basic Information of mutationobserver-shim NPM Package: