জাভাস্ক্রিপ্ট adoptedStyleSheets

<!DOCTYPE html>
<html>
<body>

<button onclick="execute()">click to view result</button>

<p id="result">ওয়েটিং</p>

<script>
function execute() {
  let sheet = new CSSStyleSheet();

  sheet.replaceSync("body { background: pink; }");

  document.adoptedStyleSheets = [sheet];

  result.textContent = "স্টাইলশিট";
}
</script>

</body>
</html>