JSFiddle - React, Tailwind, and code Playground

HTML

<div class="items" id="pnlItems">
    <div class="item">hello</div>
    <div class="item"></div>
    <div class="item">world</div>
    <div class="item"></div>
    <div class="item">how</div>
    <div class="item"></div>
    <div class="item">are</div>
    <div class="item">you?</div>
    <div class="item"></div>
    <div class="item"></div>
    <div class="item"></div>
    <div class="item"></div>
</div>

CSS

.items { white-space: nowrap; }
.items .item { float: left; background: red; }

JavaScript

/*
window.onload = function WindowLoad() {
    var oDiv = document.getElementById("pnlItems");
    var arrElements = oDiv.getElementsByTagName("*");
    for (var i = 0; i < arrElements.length; i++) {
        var oCurElement = arrElements[i];
        if (oCurElement.innerHTML == "")
            oCurElement.parentNode.removeChild(oCurElement);
    }
}
*/