JSFiddle - React, Tailwind, and code Playground
by mofle
HTML
<span id="test"></span>
CSS
#test {
margin-right: -1px;
}
JavaScript
var rect = $('#test')[0].getBoundingClientRect();
console.log('rect:', rect.top, rect.left);
console.log('jq:', $('#test').offset().top, $('#test').offset().left );