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<html><body><h1>The Element Object</h1><h2>The querySelector() Method</h2><p>Change the text of the first p element in "myDIV":</p><div id="myDIV" style="border:1px solid black;padding:8px"> <p>This is a p element.</p> <p>This is also a p element.</p></div><script>const x = document.getElementById("myDIV");x.querySelector("p").innerHTML = "Hello World!";</script></body></html>