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<!DOCTYPE html> <html> <style> div { border: 1px solid black; padding:16px; } </style> <body> <h1>The Element Object</h1> <h2>The getElementsByClassName() Method</h2> <div id="myDIV"> <p class="child">I am a paragraph.</p> <p class="child">I am a paragraph.</p> <p class="child">I am a paragraph.</p> </div> <p>The number of elements with class "child" are:</p> <p id="demo"></p> <script> const element = document.getElementById("myDIV"); const nodes = element.getElementsByClassName("child"); document.getElementById("demo").innerHTML = nodes.length; </script> </body> </html>
