JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    First name: <input type="text" name="fname" id="myTextBox" ><br>
    <input type="button" name="submit" id="submit" value="Submit">
    
</div>

JavaScript

$("#myTextBox").change("input", function() {
    alert("changed");
    $("#myTextBox").attr("disabled", "disabled");
    
});
$("#submit").click("input", function() {
    alert("changed");
    $("#myTextBox").removeAttr("disabled", "disabled");
    
});