JSFiddle - React, Tailwind, and code Playground

HTML

<div id='containerDiv'>
    <div id='contentDiv'>
        <p id='myText'>Some Text</p>
    </div>
</div>

CSS

#containerDiv{
    overflow-y: scroll;
    overflow-x: hidden;
    width: 150px;
    border: 2px solid black;
    padding: 0px;
}



#contentDiv{
    overflow: hidden;
    width: 100%;
}

#myText{
    float: right;
}

JavaScript

$('#contentDiv').width($('#containerDiv').width())