JSFiddle - React, Tailwind, and code Playground

HTML

<form id="formName" action="" method="post">
    <input type="submit" id="submitBtn" value="Submit" />
</form>
<button id="change">Change</button>

JavaScript

$("#change").on("click", function(){
    $("#submitBtn").attr("id", "NewBtn"); 
});

$("#formName").submit(function(e){
	e.preventDefault();
});

$("#NewBtn").on("click", function(){
    alert("Hello"); 
});