JSFiddle - React, Tailwind, and code Playground

HTML

<div id="text"></div>

JavaScript

function api_get () { 
    $('#text').append('<p>Ajax start</p>');
      $.ajax({
        type: "GET",
        url: '',
        crossDomain: true,
        dataType: 'json',
        data: {},
        async: false,
        timeout: 10000,
        success: function (data) {
            $('#text').append('<p>Ajax success</p>');
            console.warn(data);
        }
    });
};

$('#text').append('<p>Before ajax</p>');
api_get();