<!DOCTYPE html>
<html>

  <head>
    <script data-require="ramda@*" data-semver="0.22.1" src="https://unpkg.com/ramda@0.22.1/dist/ramda.min.js"></script>
    <link rel="stylesheet" href="style.css" />
  </head>

  <body>
    <div id="output"></div>
    <script src="script.js"></script>
  </body>

</html>
const {compose, fromPairs, map, split, tail} = R

const queryString = '?page=2&pageSize=10&total=203'

const parseQs = compose(fromPairs, map(split('=')), split('&'), tail)

const result = parseQs(queryString)
console.log(result)

document.getElementById('output').innerHTML = `${JSON.stringify(result)}`
/* Styles go here */