JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <input type="text" />
    <input type="text" />
    <input type="text" value="not empty" />
    
    <button id="calculateAll">Calculate</button>
</div>

CSS

.hl {
    border-color: #BE1E2D
}

JavaScript

$('#calculateAll').click(function() {
    $('.container input[type="text"]').filter(function() { 
        return this.value === ''; 
    }).addClass('hl');
});