JSFiddle - React, Tailwind, and code Playground

HTML

<div class="example">Some Example text  
    <span class="abe">
        <span class="abe"> this is an inner text of the span </span>  text in the span 
    </span>
</div>
<div class="example">Some more Example text</div>

CSS

.abe{color:blue;}
.ab{color:red;}

JavaScript

function change(node) {
    if (node.nodeType == 3) {
        node.data = node.data.replace(/e|E/g, '');
    }
    else {
        $(node).contents().each(function() {
            change(this);
        });
    }
}

$('div').contents().each(function() {
    change(this);
});