JSFiddle - React, Tailwind, and code Playground

HTML

<div class="myDivs">Stack</div>
<div class="myDivs">Over</div>
<div class="myDivs">Flow</div>
<div class="myDivs">And</div>
<div class="myDivs">Exchange</div>
<div class="myDivs">Question</div>
<div class="myDivs">Ask</div>

JavaScript

var valArr = $('.myDivs').slice(2,4).map(function() {
    return this.textContent;    
}).get();

console.log(valArr);