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<html><body><h1>The Element Object</h1><h2>The children.length Property</h2><p>How many elements does "myDIV" have?</p><p id="demo"></p><div id="myDIV"> <p>I am a paragraph</p> <p>I am a paragraph</p> <p>I am a paragraph</p></div><script>let count = document.getElementById("myDIV").children.length;document.getElementById("demo").innerHTML = count;</script></body></html>