JSFiddle - React, Tailwind, and code Playground

HTML

<div id="_RED_div" style="height:250px; width 50px; background-color:red" >
</div>

<div id="_GREEN_div" style="height:40px; width:200px; background-color:green" />

JavaScript

$("#_GREEN_div").position(
{        
        of: $(window),      
        my: "right",      
        at: "right"   ,
        collision:false
});