JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" id="myText" val="" />
<br/><br/>
<input type="button" id="myBtn" value="Change TextBox Value" />

JavaScript

$('#myText').on('change',function(e){
    alert('Changed!')
});

$("#myBtn").on('click', function() {
   $("#myText").val('adsf');
})