d3

<script src="https://d3js.org/d3.v6.js"></script>

<script src="https://d3js.org/d3.v5.min.js"></script>

var paragraphs = document.getElementsByTagName("p");
for (var i = 0; i < paragraphs.length; i++) {
  var paragraph = paragraphs.item(i);
  paragraph.style.setProperty("color", "blue", null);
}