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<!DOCTYPE html> <html> <body> <h1>The HTMLCollection Object</h1> <h2>The length Property</h2> <p>The tags in this document are:</p> <p id="demo"></p> <script> const elements = document.getElementsByTagName("*"); let text = ""; for (let i = 0; i < elements.length; i++) { text += elements[i].tagName + "<br>"; } document.getElementById("demo").innerHTML = text; </script> </body> </html>
