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Overview

The HTML5/JavaScript Form Validation is a library for validating HTML form input elements before submitting them to a server. It has 14 built-in validation rules such as required, email, URL, date, and more, along with support for writing custom validation logic and HTML5 data attribute validation.


Validate using HTML5 data attributes

The HTML5 form element’s data attributes can be used to define validation rules and error messages for the Form Validation library. This facilitates clean and reusable HTML forms.

validate html5 data attributes using form validation


Validation error messages

The Form Validation library provides meaningful validation error messages when the expected validation rule isn’t followed by the input value. This validator plugin itself has options for customizing both the validation message’s placement and its content.

Customize error messages

Define and customize validation error messages for individual form elements, entire forms, or for an entire application. This enables you to set custom error messages instead of being limited to built-in validation error messages.

Custom error placement

Summarize error messages and place them in custom locations. This option is useful for taking a validation message from a default location and moving it to any custom location in the application.


Other frameworks

The JavaScript Form Validation library is also available in Angular, React, Vue and Blazor frameworks that are built from their own TypeScript libraries.


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We're using the file formats and Windows/JavaScript list controls a lot. They're fast, easy to use, and the documentation is good and contains examples. Tickets with questions or suggestions were answered within a day, so we're happy to use the Syncfusion libraries.
Daniel Persidok

Daniel Persidok

wpd onshore GmbH & Co. KG

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Using Syncfusion Angular and JavaScript controls makes front-end web development a piece of cake. Each component has many properties that can be configured as per your desire, methods that can be used to interact with the element, and a lot of events that trigger at different stages, which makes modifying your components according to the state of the application an easy task. Also, their support is amazing! They always offer a sample working project, which makes it very simple to solve your question about your code.
Carlos Rodriguez Garcia

Carlos Rodriguez Garcia

Vistatec

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