zip code validation in javascript

Recommended reading: JavaScript form verification length JavaScript Form validation-Submitting a form JavaScript form Validation-uncovering the veil of the regular expression JavaScript can be used to validate these input data

1. Lightweight JavaScript Form validationReferencing files in your app validator.min.jsInstance: for= "Email" > Email verification DescriptionNew Validator (formName, option, callback)FormNameformNameis the value in the id tag name , as in the aboveexample_formOption namenamethe corresponding value in input display--validation error text to prompt{{这个中间是name对应的值}} rulesOne or more rules (i

Code Verification JQuery.validator.addMethod ("Iszipcode", function (value, Element) { var tel =/^[0-9]{6}$/; return this.optional (Element) | | (Tel.test (value)); "Please fill in your zip code correctly"); Start validation $ (' #commentForm '). Validate ({ Rules: { Username: { Required:true, Stringchec

The examples in this article summarize the commonly used validation functions for JavaScript. Share to everyone for your reference. The specific summary is as follows: First, String class validation 1. Length Limit Copy Code code as follows: 2. Can onl

Web page Special Effects Universal Verification function library (telephone, mailbox, mobile phone, number)This verification library is our commonly used telephone, mailbox, mobile phone, digital QQ, letters, Chinese, English and other validation functions. /*@author: Slchen@exemple:var email= "slchen@xxxxx.com";Alert ($v. Isemail (email));*/var $v = (function () { Function.prototype.method = function (name, FN) { This.prototype[name] = fn;

Javascript| Regular Code:When using, save the following JavaScript code in a single JS file.1. Form requirementsAll of the following types of fields in the form will be validated in turn, all validation is to remove the leading and suffix spaces, and note that the case is case-sensitive.2, null value verificationAny fi

Check the following items: 1. The validation-config.xml, validation-framework.js, validation-confi.dtd these three files are copied to the root directory of the website, you can first create a directory such as JS storage. 2. In the validation-framework.js 21st line changed to "/webprojectname/JS/", a few diagonal l

Try testing the following form with valid and invalid email addresses. Code uses javascript to match the users input with a regular expression. Function Code: Copy codeThe Code is as follows: function validate (form_id, email ){ Var reg =/^ ([A-Za-z0-9 _ \-\.]) + \ @ ([A-Za-z0-9 _ \-\.]) + \. ([A-Za-z] {2, 4}) $ /; Var

most complete and most accurate method: The code is as follows Copy Code function Isnumber (onum){if (!onum) return false;var strp=/^d+ (. d+)? $/;if (!strp.test (Onum)) return false;try{if (parsefloat (onum)!=onum) return false;}catch (ex){return false;}return true;} This JavaScript co