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<!DOCTYPE html> <html> <body> <h1>The Document Object</h1> <h2>The document.getElementsByName Method</h2> Cats: <input name="animal" type="checkbox" value="Cats"> Dogs: <input name="animal" type="checkbox" value="Dogs"> <p>Number of elements with name="animal" is:</p> <p id="demo"></p> <script> let num = document.getElementsByName("animal").length; document.getElementById("demo").innerHTML = num; </script> </body> </html>
