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<!DOCTYPE html> <html> <body> <h1>The Document Object</h1> <h2>The querySelectorAll() Method</h2> <p>Set the background color of all h3, div and span elements:</p> <h1>A H1 element</h1> <h2>A H2 element</h2> <h3>A H2 element</h3> <div>A DIV element</div> <p>A p element.</p> <p>A p element with a <span style="color:brown;">span</span> element inside.</p> <script> const nodeList = document.querySelectorAll("h3, div, span"); 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_multiple by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:39:43 GMT --> </html>
