Fill in a form. Tap a field to bring up the keyboard. Tap 
or 
above the keyboard to move from field to field.
When you sign in to a website, sign up for a service, or make a purchase, you can fill in a web form using the onscreen keyboard, or have Safari fill it in for you using AutoFill.
Turn on AutoFill. Go to Settings > Safari > AutoFill.
Tired of always having to sign in? When you’re asked if you want to save the password for the site, tap Yes. The next time you visit, your user name and password are filled in for you.
Choose a different identity. If you use multiple identities with a site and an incorrect identity is filled in, tap Passwords above the keyboard, then select the identity you prefer.
Fill in a form. Tap a field to bring up the keyboard. Tap or above the keyboard to move from field to field.
Fill it in automatically. When you fill in contact information on a website that supports AutoFill, tap AutoFill Contact above the keyboard. Tap Customize to edit and store your information for next time. Or, tap Other Contact to fill in someone else’s information.
Add a credit card for purchases. Go to Settings > Safari > AutoFill > Saved Credit Cards > Add Credit Card. To enter the information without typing, tap Use Camera, then position iPod touch so that your card appears in the frame. Also, when you make an online purchase, you can allow Safari to save the credit card information. See iCloud Keychain.
Use your credit card information. When you fill in credit card information, tap AutoFill Credit Card above the keyboard. Enter your card’s security code, which isn’t stored. For greater security of your credit card information, use a passcode for iPod touch.
Submit a form. Tap Go, Search, or the link on the webpage.