JSFiddle - React, Tailwind, and code Playground

JavaScript

$.ajax({
            type: 'GET',
            url: 'http://echo.jsontest.com/key/value/one/two',
            async: true,
            jsonpCallback: 'jsonCallback',
            contentType: "application/json",
            dataType: 'jsonp',
            success: function(json) {
                //console.log("good");
                v1 = [];
                $.each(json, function(key, val) {
                  
                       v1.push(val);
                   
                });
                _callback(v1);
            },
            error: function(e) {
                console.log(e.message);
            }
        });
function _callback(data){
    console.log(data);
}