Editar el código:
ver Resultados »
Inténtalo tú mismo - ©
w3ii.com
<!DOCTYPE html> <html> <body> Search: <input type="search" id="mySearch"> <p>Click the button to change the width of the search field.</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { document.getElementById("mySearch").size = "50"; } </script> </body> </html>