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<html><style>div { border: 1px solid black; padding: 15px;}</style><body><h1>The Nodelist Object</h1><h2>The length Property</h2><div id="myDIV"> <p>I am a paragraph.</p> <p>I am a paragraph.</p> <p>I am a paragraph.</p></div><p>The number of p elements inside "myDIV" are:</p><p id="demo"></p><script>const div = document.getElementById("myDIV");const list = div.querySelectorAll("p");document.getElementById("demo").innerHTML = list.length;</script></body></html>