JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//unpkg.com/axios@0.15.3/dist/axios.min.js"></script>

JavaScript

axios.get('https://qiita.com/api/v2/items', {
  params: {
    page: 1,
    per_page: 6,
    query: 'nuxt.js'
  }
})
.then(response => {
  console.info('axios response header :', response.headers);
})
.catch(e => {
  console.error('error :', e)
});

var oReq = new XMLHttpRequest();
oReq.open("GET", "https://qiita.com/api/v2/items?page=1&per_page=6&query=nuxt.js");
oReq.send();

oReq.onreadystatechange = function() {
    switch ( oReq.readyState ) {
        case 4:
            if( oReq.status == 200 || oReq.status == 304 ) {
                console.info('XMLHttpRequest response header :' + oReq.getAllResponseHeaders());
            } else {
                console.error('error :' + oReq.statusText);
            }
            break;
    }
};