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<!DOCTYPE html> <html> <body> <h1>The Element Object</h1> <h2>The querySelectorAll() Method</h2> <p>Add a background color to the first p element in "myDIV":</p> <div id="myDIV" style="border:1px solid black"> <p>This is a p element.</p> <p>This is a p element.</p> </div> <script> const element = document.getElementById("myDIV"); const list = element.querySelectorAll("p"); list[0].style.backgroundColor = "red"; </script> </body> </html>
