is-success 
Check if a number is a HTTP success status code
Install
$ npm install --save is-successUsage
var isSuccess = require('is-success');
isSuccess(200);
//=> true
isSuccess(400);
//=> false
Check if a number is a HTTP success status code
$ npm install --save is-successvar isSuccess = require('is-success');
isSuccess(200);
//=> true
isSuccess(400);
//=> false