JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" id="addOwner">

JavaScript

$("#addOwner").keyup(function(event) {
    var offset = $(this).offset();
    var pageY = offset.left;  // currently getting Undefined
    var pageX = offset.top;  // currently getting undefined 
    alert($(this));
    
})