JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" id="myinput" />
<input type="button" id="theonechanging" value="Click Me" />
<br />
<p id="message"></p>

JavaScript

var i = 0;
$("#theonechanging").click(function(e) {
    // YOU CAN NOT CHANGE THIS FUNCTION
    $("#myinput").val("changed via button " + i++);
});
$("#theonechanging").on("click", function(e) {
    $("#myinput").trigger("change");
});
$("#myinput").on("input change bind",function(e) {
    $("#message").text($("#myinput").val());
});