is-redirect 
Check if a number is a redirect HTTP status code
Install
$ npm install --save is-redirect
Usage
var isRedirect = require('is-redirect');
isRedirect(302);
//=> true
isRedirect(200);
//=> false
License
MIT © Sindre Sorhus
Check if a number is a redirect HTTP status code
$ npm install --save is-redirect
var isRedirect = require('is-redirect');
isRedirect(302);
//=> true
isRedirect(200);
//=> false
MIT © Sindre Sorhus