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<html><body><h1>The Element Object</h1><h2>The insertAdjacentElement() Method</h2><button onclick="myFunction()">Move</button><p>Click "Move" to insert the red span inside the header.</p><span id="mySpan" style="color:red">My span</span><h2 id="myH2">My Header</h2><script>function myFunction() { const span = document.getElementById("mySpan"); const h2 = document.getElementById("myH2"); h2.insertAdjacentElement("beforeend", span);}</script></body></html>