JSFiddle - React, Tailwind, and code Playground

HTML

<img src=# id=i style=background:gray;width:10px;height:10px>

JavaScript

img=document.getElementById('i');
img.style.position='absolute';
img.style.left=40;
alert(img.style.left);
img.style.posLeft=40;
alert(img.style.posLeft);