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<html><style>.example { border: 1px solid black; margin: 5px;}</style><body><h1>The Document Object</h1><h2>The querySelectorAll() Method</h2><h3>Change the background color of all p elements:</h3><h1>A h1 element</h1><div>A div element</div><p>A p element.</p><p>A p element.</p><div class="example"> <p>A p element inside a div element.</p></div><script>const nodeList = document.querySelectorAll("p");for (let i = 0; i < nodeList.length; i++) { nodeList[i].style.backgroundColor = "red";}</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_document_queryselectorall_loop_p by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 05 Sep 2022 15:18:57 GMT --></html>