JSFiddle - React, Tailwind, and code Playground

HTML

<div id="elem"></div>

JavaScript

var url = 'http://api.openweathermap.org/data/2.5/weather?q=London,uk'
var elem = document.getElementById('elem')

function json2string(data) {
    return '<strong>' + data.name + '</strong>'
}

function parse(url, elem) {
    return $.ajax(url, {
        type: 'GET',
        dataType: 'json'
    }).done(function(data) {
        elem.innerHTML = json2string(data)
    })
}

parse(url, elem).done(function(data) {alert(data.name)})