JSFiddle - React, Tailwind, and code Playground

HTML

<fieldset disabled>
<input type="text" value="One" disabled>
<input type="text" value="Two">
</fieldset>

CSS

input:disabled {
    color: blue;
}

input[disabled] {
    color: red;
}

JavaScript

console.log(document.querySelector('input[value=One]').disabled)
console.log(document.querySelector('input[value=Two]').disabled)