JSFiddle - React, Tailwind, and code Playground

HTML

<form method="post" id="myForm">
    <input type="text" name="msg" id="chat_in" />
         <input type="submit" name="bt" id="bt" value="Click me" />
</form>

JavaScript

function SendData() {
       alert('Data will be submitted');
    }

    $('#myForm').submit(function() {
        SendData();
    });