JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" value="go" onclick="dofunc();">

JavaScript

$(document).ready(function() {
    alert("function is ready to use now");

    $(function() {
        $.fn.gotof() {
            alert("I am calling form jquery");
        }

    });


});


function dofunc() {
    gotof();
}