JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    text+images part 1
    <div class="sep">some text</div>
    tex+images part2
     <div class="sep">some text</div>
    text+images part3
    <p>text+images part4</p>
</body>

CSS

.text {
  color:green;
}
.sep {
    color:red;
}

JavaScript

i = 0;
$("body").contents().filter(function() {
  return this.nodeName.toLowerCase() != "div"; // text node
})
.wrap(function() {
  i++;
  return $("<div />").addClass("text").attr("id", "div_"+i);
});
//$(".sep").hide(); // or remove()