JSFiddle - React, Tailwind, and code Playground

JavaScript

$(document).ready(function() {
    var counter = 0;
    // you can start all your 5 requests.
    $.ajax({
        url : url0,
        async : true,
        dataType : 'json'
        success: function(data) {
            // increment counter
            counter++;
            // do something with the data
        }
    });
    // every 100ms check to see if all the objects are loaded
    var t = setInterval(function() {
        if (counter == 5) {
            clearInterval(t);
            // build graphs here
        }
    }, 100);
});