Editar el código:
ver Resultados »
Inténtalo tú mismo - ©
w3ii.com
<!DOCTYPE html> <html> <body> <p>This example calls a function which outputs "Hello World" in a p element with id="demo".</p> <p id="demo"></p> <script> function myFunction() { document.getElementById("demo").innerHTML = "Hello World!"; } myFunction(); </script> </body> </html>