$ sudo npm install asn1.js
$ sudo npm install -g asn1.js

If want to update the asn1.js package execute the command as below,

$ sudo npm update asn1.js

Update package globally,

$ npm install -g asn1.js

Git clone:

$ sudo  git clone https://github.com/rektide/asn1.js.git

$ sudo  npm install -g ./asn1.js

asn1.js@5.0.0 /usr/lib/node_modules/asn1.js

How to remove asn1.js package :

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

$ sudo npm uninstall asn1.js

Basic Information of asn1.js NPM Package: