Run ❯
Get your
own
website
❯
Run Code
Ctrl+Alt+R
Save Code
Ctrl+Alt+A
Change Orientation
Ctrl+Alt+O
Change Theme
Ctrl+Alt+D
Go to Spaces
Ctrl+Alt+P
<!DOCTYPE html> <html> <style> div { border: 1px solid black; padding: 16px; } </style> <body> <h1>The Element Object</h1> <h2>The getElementsByClassName() Method</h2> <div id="myDIV"> <p class="child">I am a paragraph.</p> <p class="child">I am a paragraph.</p> <p class="child">I am a paragraph.</p> </div> <p>Click "Change" to change the size of the second paragraph with class="child":</p> <button onclick="myFunction()">Change</button> <script> function myFunction() { const element = document.getElementById("myDIV"); element.getElementsByClassName("child")[1].style.fontSize = "24px"; } </script> </body> </html>
