JSFiddle - React, Tailwind, and code Playground

HTML

<div>
   <span>PC</span>
   <span>TV</span>
   <span>Tablet</span>
</div>

JavaScript

function getElementByTextContent(text)
{
    var spanList = document.getElementsByTagName("span");
    for (var i = 0, len = spanList.length; i < len; i++)
    {
        if(spanList[i].textContent === text) // use .innerHTML if you need IE compatibility
        return spanList[i]
    }
}

alert(getElementByTextContent("TV").textContent);