The form in this example asks user to provide some email addresses. User is also required to fill at least one email address. Each of them, if present, must be ...

Validating form manually. Advanced examples. Adding dynamic field · Asking fields to be unique · Building a password strength meter · Clearing field when ...

Asking fields to be unique · Validating fields placed in... · Adding dynamic field

The best validation library for JavaScript. Written in ES6; Type safety using TypeScript; Zero dependencies; No jQuery; Can be used as AMD, ES6 modules and ...

Examples · Validators · Bootstrap plugin · Plugins

I need to perform form validation where the combination of two form fields must be unique in the database. Let's take the example of First Name and Last Name ...

Mar 17, 2020 · Has anybody had any experience with adding their own validation to a Squarespace form? Essentially stopping the normal submission process, ...

The following example illustrates how to develop a simple validator which validates a password. The validator will treat a password as valid, if it satisfies ...

Aug 25, 2017 · I have 3 fields (CompanyName, FirstName, & LastName) in the form and I want to validate based on the following rules: CompanyName or FirstName & ...