JSFiddle - React, Tailwind, and code Playground

by Dmitry

HTML

<input type="text" name="fields_changed" id="fields_changed" value="0" />
<input type="text" name="test" value="" id="test" placeholder="change text here" />

JavaScript

$(function(){
    $('#test').on('change',function(){
        $('#fields_changed').val('1');
    });
});