Home
HTML
HTML JavaScript
Tryit: JavaScript function
Run ❯
Get your
own
website
Result Size:
625 x 534
×
Change Orientation
Save Code
Change Theme, Dark/Light
Go to Spaces
<!DOCTYPE html> <html> <body> <h1>My First JavaScript</h1> <p>JavaScript can change the content of an HTML element:</p> <button type="button" onclick="myFunction()">Click Me!</button> <p id="demo">This is a demonstration.</p> <script> function myFunction() { document.getElementById("demo").innerHTML = "Hello JavaScript!"; } </script> </body> </html>