JSFiddle - React, Tailwind, and code Playground

HTML

<input />

<br />

<input disabled />

CSS

input {
    margin: 10px;
}

JavaScript

$('input').each(function()
{
    var isDisabled = $(this).prop('disabled');
    
    if (isDisabled)
    {
        $(this).css('border', '2px solid red');
    }
});