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<!DOCTYPE html> <html> <body> <h2>JavaScript HTML DOM</h2> <p>Hello World!</p> <p>Hello Norway!</p> <p>Click the button to change the color of all p elements.</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { const myCollection = document.getElementsByTagName("p"); for (let i = 0; i < myCollection.length; i++) { myCollection[i].style.color = "red"; } } </script> </body> </html>
