JSFiddle - React, Tailwind, and code Playground

HTML

<div id="results">
</div>

JavaScript

function getObjectKeysAlphabetical(o) {
    var keys = [],
        key;

    for (key in o) {
        if (obj.hasOwnProperty(key)) {
            keys.push(key);
        }
    }

    keys.sort();

    return keys;
}

var results = document.getElementById('results');

var obj = {"1":{"aov":0,"oo":1,"ot":"Cem-Merve","pi":87},"2":{"aov":100,"oo":2,"ot":"Murat-Pelin","pi":88},"3":{"aov":0,"oo":3,"ot":"Fevzi-Azbiye","pi":85},"4":{"aov":0,"oo":4,"ot":"Burak-Gizem","pi":86},"21":{"aov":100,"oo":21,"ot":"Murat","pi":84,"ro":2},"22":{"aov":0,"oo":22,"ot":"Pelin","pi":83,"ro":2}};

var keys = getObjectKeysAlphabetical(obj);

//Iterate the array of sorted keys.
for (var i = 0; i < keys.length; i++) {
    var key = keys[i];
    var val = obj[key];
    
    results.innerHTML += key + ":" + JSON.stringify(val) + "<br/>";
}