JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <span>1</span>
    <div>
        <span>2</span>
        <div>
            <span>3</span>
        </div> 
    </div>
</div>

JavaScript

var selects = $('body').find('span');
selects.each(function(index, el) {
    if(index !== selects.length - 1) {
        alert(selects.eq(index + 1).text());
    }
});