JSFiddle - React, Tailwind, and code Playground

JavaScript

var input ='GET / HTTP/1.1\r\n Host: localhost:8888\r\nConnection: keep-alive\r\nCache-Control: max-age=0\r\nUser-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/535.2 (KHTML,like Gecko) Chrome/15.0.874.121 Safari/535.2\r\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\nAccept-Encoding: gzip,deflate,sdch\r\nAccept-Language: en-US,en;q=0.8\r\nAccept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3\r\n';
var lines = input.split("\r\n"); 
alert(lines.length);