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Tutorials - Form Validation

Accessing and Validating Forms
How to access and validate forms, as well as how to use the onBlur and onSubmit events.

A Closer Look at Forms with JavaScript
A tutorial on how to access and verify the integrity of form elements using JavaScript.

Calendar Pop-Up
A pop-up calendar to assist users in entering dates in forms. Not really form validation, but it helps with forms.

Client-Side Form Verification
Heidi Brumbaugh talks about JavaScript form verification.

Exploring Regular Expressions
Charity Kahn explores regular expressions in JavaScript 1.2

Forms Validation
Some tips on validating forms from JavaScript Tip of the Week.

Regular Expressions in JavaScript 1.2
How Netscape 4.0 and Internet Explorer 4.0 will let you do very specific form validation.

Validate Forms With Regular Expressions
How to validate regular expressions in browsers that don't support it internally (pre 4.0).

Validate Your Forms
How to do basic form validation.