HTML and CSS Reference
In-Depth Information
Figure 17.46
The user enters a valid phone number (top). Parentheses and the dash
are optional; the user enters a number with too many digits, and an alert box
appears (bottom).
Go to
http://www.wtng.info
,
the World Wide Telephone Guide, to get a listing of phone
formats for the world, country by country (see Figure 17.47).
Figure 17.47
Go to
http://www.wtng.info/
to look up phone formats around the world.
