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<!DOCTYPE html> <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 before the header:</p> <h2 id="myH2">My Header</h2> <p><span style="color:red">My span</span></p> <script> function myFunction() { const span = document.getElementsByTagName("span")[0]; const h2 = document.getElementById("myH2"); h2.insertAdjacentElement("beforebegin", span); } </script> </body> <!-- /jsref/tryit.asp?filename=tryjsref_node_insertadjacentelement3 </html>
