JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

div {
    width: 100px;
    height: 100px;
    border: 1px solid #900;
}

JavaScript

$(
    'div'
)
.animate(
    {
    height
    :
    500
},
5000,
function
         ()
         {
    $(
        this
    )
    .css(
        {
        'background-color'
        :
        '#ff0'
    }
    );
}
);