15个最佳的 JavaScript 表单验证库

客户端验证在任何项目都是不够的,因为 JavaScript 可以直接忽略,人们可以提交请求到服务器。 然而这并不意味着客户端验证都没必要了,很多时候我们需要在用户提交到服务器之前给予提示。JavaScript 表单验证库允许开发人员自定义样式、错误消息和样式以及简化验证规则的创建。

在本文中,您将找到最好的15个 JavaScript 表单验证库,可以帮助你让表单验证对用户更友好的和美观。

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1. ApproveJS

ApproveJs
ApproveJs doesn’t automatically attach itself to input change events or form submit events. It also doesn’t manipulate the DOM for you by automatically displaying errors. This allows you to handle validation how you want. ApproveJs exposes a single method, value() and leaves you to decide when a value is validated and how errors are displayed. If you like to be in control or have a little OCD like me, ApproveJs is for you.

2. Validator.js

validatorjs
validator.js is a library of string validators and sanitizers. It can be used both on client side and server side.

3. Valid.js

validjs
Valid.js is a simple JavaScript library for data validation. Here are validation functions.

• 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

4. Validate.js

validate.js
Validate.js provides a declarative way of validating JavaScript objects. It is unit tested with 100% code coverage and can be considered fit for production. The goal of validate.js is to provide a cross framework and cross language way of validating data. The validation constraints can be declared in JSON and shared between clients and the server.

5. jQuery.mobilePhoneNumber

jquerymobilephonelibrary
jQuery.mobilePhoneNumber is a general purpose library for validating and formatting mobile phone numbers.

6. xTypejs

xtype
xtype.js is an elegant, highly efficient data validation for JavaScript. it provides concise, performant, readable, data and type validation for JavaScript, using close to 40 highly efficient, data-validating pseudo types.

It Improves application efficiency and readability by unifying the most basic but common data and type validations in JavaScript apps, into single, concise, highly optimized operations.

And employs bitwise operations, data pre-processing, and memory-efficient memoization for fast, robust performance in small and large apps and libraries.

7. Payform

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

8. Mailcheck

mailcheckjs
mailcheck is a JavaScript library and jQuery plugin that suggests a right domain when your users misspell it in an email address. When your user types in “user@hotnail.con”, Mailcheck will suggest “user@hotmail.com”.

9. Formance.js

formancejs
A jQuery library for formatting and validating form fields, based on Stripe’s jQuery.payment library. It supports various fields like credit card cvc, credit card expiry, credit card number, email address, date, number, Ontario driver’s license number and much more.

10. Verify.js

verifyjs
Verify.js is a powerful, customizable asynchronous form validation library. It is fully customizable, easily extendable, unobtrusive, and includes grouped validations as well as asynchronous validations.

11. Seahorse

seahorse
Seahorse is a JavaScript library, licensed as free software, created to simplify the use of forms, particularly to simplify the form validation. It provides functions to validate convert and serialize information and functions to assign real-time validation behaviors to form fields. It can be used with any JavaScript framework, however, has a plugin to be used along with jQuery.

12. Parsleyjs

parsley
Parsley is a JavaScript form validation library. It helps you provide your users with feedback on their form submission before sending it to your server. It saves you bandwidth, server load and it saves time for your users.
JavaScript form validation is not necessary, and if used, it does not replace strong backend server validation.

That’s why Parsley is here: to let you define your general form validation, implement it on the backend side, and simply port it frontend-side, with maximum respect to user experience best practices.

13. Form Validation Made Easy

form validation made easy
The Form Validation – made easy script allows you to very easily set up validation rules and validate these rules against any sort of input coming from any type of array data source such as $_POST, $_GET or a key/value filled array.

The script can with ease be plugged in with existing HTML form code without drastically changing the HTML code. Or be implemented from scratch. The script also handles the population of input values for input fields, textareas, checkboxes, radio buttons and select lists if a default value has been specified and when a form is posted and returned to the user. This means the user never has to type in the same information twice when a form is invalid!

The script comes with a bunch of predefined rules but how you want to validate each and every input in your form is all up to you. With custom functions you are able to hook up with the script and supply your own validation rules and error messages.

14. JavaScript Form Validation Library

javascript form validation library
This is a complete library to validate client-side input and provide feedback accordingly. The JavaScript library contains 12 base validation functions that can validate all types of form fields. This library includes simple integration, visual feedback, range check, textual feedback, check minimum length, value retrieval, check date format, validate email, validate URL and much more.

15. Easy to Setup Form Validator JavaScript

Easy to Setup Form Validator JavaScript
The JS Auto Form Validator is an easy-to-setup form validation script which enables you to handle the whole form validation process using the ready-to-use JavaScript class. This script allows you to specify certain form elements as “required” or “non-required” and also a specific type they have: text, password, numeric, zip code etc. It works on the native JavaScript, meaning page will be loaded much faster – especially on mobile devices – as NO jQuery is needed!

 

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