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