JSFiddle - React, Tailwind, and code Playground

HTML

<a href='javascript:;' id='zzz'>Click here</a>
<div id='lak'></div>

JavaScript

$(function() {
    $('#zzz').click(function() {
        $('#lak').html('wait...');
        $.post(
            '/ajax_json_echo/',{ipaddr:"192.168.132.58"},
        function(data) { alert(data.post_response.ipaddr); },
        "json"
        )
    });
});