Validating number in java
For security a password should never be displayed in HTML or sent by email.
If you're concerned about security you should have some policy on what constitutes a valid password.
At this stage both Firefox and Opera enforce HTML5 validation attributes in the browser while Safari only lets you use them with Java Script or for CSS effects.The form below has three input fields: username, pwd1 and pwd2. If a false value is returned then the form submission is cancelled.This code will work for browsers as far back as Netscape 4 (circa 1997). If you're not sure how to place this on your page, you might need to read the preceding article on Form Validation, or view the HTML source of this page.A lot of websites now require registration, meaning that users need to be assigned a username and password.Here are some simple steps to make the process more secure.
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All we have changed from the previous example is to add some extra attributes to the form input fields.