Official website: http://importance.de/jquery-plugins/jquery-plugin-validation/

API:http://jquery.bassistance.de/api-browser/plugins.html

Current version: 1.5.5

JQuery version is required: 1.2.6+, compatible with 1.3.2.

& lt script src = "../js/jquery.js" type = "text/JavaScript" > & lt/script & gt；

& lt script src = "../js/jquery.validate.js" type = "text/JavaScript" > & lt/script & gt；

(1) required: true required field.

(2) Remote: "check.php" uses ajax method to call check.php to verify the input value.

(3) E-mail: true You must enter the e-mail in the correct format.

(4)url:true You must enter the url in the correct format.

(5)date:true You must enter the date in the correct format.

(6)dateISO:true You must enter the date (ISO) in the correct format, for example, 2009-06-23, 1998/0 1/22 only verifies the format, but not the validity.

(7) Number: True, legal number (negative number, decimal number) must be entered.

(8) Number of digits: true must be an integer.

(9) Credit card: A legal credit card number must be entered.

(10) equals: "#field" input value must be the same as #field.

(1 1) Accept: enter a string with a legal suffix (the suffix of the uploaded file).

(12)maxlength:5 Enter a string with a maximum length of 5 (Chinese characters are counted as one character).

(13)minlength: 10 Enter a string with a minimum length of 10 (Chinese characters are counted as one character).

(14) Range length: [5, 10] Enter a string whose length must be between 5 and 10 "(Chinese characters are counted as one character).

(15) Range: [5, 10] The input value must be between 5 and 10.

(16)max:5 The input value cannot be greater than 5.

(17)min: 10 The input value cannot be less than 10.

Example: Customize the rules of password authentication