15 Best JavaScript Form validation libraries

Client authentication is not enough in any project, because JavaScript can be ignored directly, and people can submit requests to the server. However, this does not mean that client authentication is not necessary, and many times we need to give a hint before the user submits to the server. JavaScript Forms validation libraries allow developers to customize styles, error messages and styles, and simplify the creation of validation rules.

In this article, you'll find the best 15 JavaScript forms validation libraries that can help you make forms validation more user-friendly and aesthetically pleasing to users.

1.ApproveJS

Approvejs does not automatically attach to an event or form submission event that changes the input. It also does not manipulate the DOM by automatically displaying errors. This allows you to handle the validation you want. Approvejs exposes a single method, value () lets you decide how the error is displayed when a value is validated. If you like control or a bit of obsessive-compulsive disorder, APPROVEJS is for you.

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2.validator.js

Validator.js is a string validator and a fungicide library. It can be used on both the client and the server side.

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3.valid.js

Valid.js is a simple JavaScript library for data validation. The following is a validation function.

? String:isstring, MinLength (min), maxLength (max), Length (min, max), Regex (REG)

? Number:isnumber, Minnumber, MaxNumber, between

? Date:isdate, MinDate (min), MaxDate (max), between (Min, max)

? Bool:istrue, IsFalse

? Util:isrequired, Isemail, ISCEP

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4.validate.js

Validate.js provides a declarative the validating JavaScript objects. It is the unit tested with 100% code coverages and can be considered fit for production. The goal of Validate.js is to provide a cross-framework and cross language-of-the-Z. The validation constraints can be declared in JSON and shared between clients and the server. Provides a way to verify that a JavaScript object is declared. It is unit tested and has 100% code coverage that can be considered suitable for production. The goal of Validate.js is to provide a cross-language approach to cross-frame and validate data. Validation constraints can be declared in JSON and shared between the client and the server.

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5.jquery.mobilephonenumber

Jquery.mobilephonenumber is a common library for validating and formatting mobile phone numbers.

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6.xTypejs

Xtype.js is an elegant and efficient JavaScript data validation. It provides simplicity, efficiency, readability, data and JavaScript type validation, and uses an efficient data validation pseudo-type that is close to 40.

It can improve the efficiency and readability of the application by unifying the most basic and common data and JavaScript applications, type verification of single, concise, highly optimized operations.

Robust performance in small and large applications and libraries with bitwise operations, data preprocessing, and fast storage memory.

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7.Payform

Payform is a JavaScript library for building credit card forms, validating input, and formatting numbers. This library also includes a jquery plugin.

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8.Mailcheck

MailCheck is a JavaScript library jquery plugin that prompts the right domain when your users will be in an email address. When your user type is "[email protected]", MailCheck think "[email protected]".

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9.formance.js

A jquery library for formatting and validating form fields, based on the striped jquery.payment library. It supports various fields such as credit card CVC, credit card expiry, credit card number, email address, date, number, Ontario driver's license number and more.

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10.verify.js

Verify.js is a powerful, customizable library of asynchronous forms validation. It is fully customizable, easy to scale, unobtrusive, including packet validation and asynchronous validation.

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11.Seahorse

Seahorse is a JavaScript library that is licensed as free software and is created to simplify the use of forms, especially simplified forms validation. It provides the functionality to validate the transformation and serialization of information and functionality that will form the field of real-time validation behavior. It can be used for any JavaScript framework, however, there is a plugin that uses jquery together.

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12.>parsleyjs

Parsley is a JavaScript form validation library. It can help you provide feedback on form submissions to your users before sending them to the server. It saves bandwidth, server load, and saves users time.

JavaScript form validation is not required, and if used, it does not replace strong back-end server authentication.

That's why parsley is here: lets you define your general form of validation, perform it on the backend side, and simply port the front side to maximize the respect of the user experience with best practices.

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13.Form Validation Made Easy

Form validation – Simple scripts allow you to easily set validation rules and validate these rules for any input from any type of array data source such as _post USD, USD _get or key/value padding array.

The script makes it easy to insert existing HTML form code without having to make significant changes to the HTML code. or start from scratch. The script also handles input values for the population input box, text area, check box, radio button, and select list, if the default value is specified when the form is sent and returned to the user. This means that users do not have to enter the same information two times when the form is invalid!

The script comes with a series of predefined rules, but you want to verify that each input in the form depends on you. Using custom functions, you can connect scripts and provide your own validation rules and error messages.

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14.JavaScript Form Validation Library

This is a complete library for validating client input and providing feedback accordingly. The JavaScript library contains 12 basic validation functions that can validate all types of form fields. This library includes simple integration, visual feedback, range checking, text feedback, checking minimum length, value retrieval, checking date format, verifying email, validating URLs, and more.

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15.Easy to Setup Form Validator JavaScript

The JS auto-generated validator is an easy-to-install form validation script that can handle the entire form validation process using ready-made JavaScript classes. The script allows you to specify certain form elements as required or not required, or to specify their specific types: text, passwords, numbers, postal codes, and so on. This applies to native JavaScript, which means that the page loads much faster, especially on mobile devices, because there is no need for jquery!

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15 Best JavaScript Form validation libraries