Form Field Validation Example

Form Field Validation with JavaScript

Enter First Name:

Enter Zip Code (99999-9999):

Notice you are positioned at the first name field. Do not enter a name, just press tab or click on the zip field.

Now enter a name and tab to the zip field.

Type 555 in the zip field and press Submit.

Notice you are positioned in the zip field after the error message. Type 5554r and press Submit.

Type 55555 and press Submit.

Close the window and return to the tutorial.