Password Validation in JavaScript [Step by Step Setup Explained] 1. A password is correct if it contains: At least 1 uppercase character. There can only be one digit in the password. ("Bad Password! o.length[8]. Then the length of the Password is checked, if it is greater than 8 then the value of passed variable is incremented by 1. I am trying to fix to display a text when 1) Checking of empty password field. We provide programming data of 20 most popular languages, hope to help you! alert ("Name "); pw.length , . 4 Answers. I need to add some further validation to this password code. So, we have to verify a valid password as well as put the confirm password validation. Regex validate password length, special char,number and length javascript, How to validate confirm password field at 4th character in Vuejs?, Add controls for minimum password length and complexity, Password validation fails using angular.js. Use below code. I am trying to check if two passwords (password1 and password2) in the input fields are the same. (it's correct format) In this chapter, we will discuss password validation using JavaScript. just Copy this code and paste into registration form. Create Password Input & strength info using HTML. Your problem is this line: if(pass < 6){ You done one small mistake. In if conditions Check the length of value instead of giving only string value. $('#form-password').on('change', func $ ('#pass1').on ('blur', function () { if (this.value.length < 8) { // checks the password value length alert ('You have entered javascript client side regex validation making a strong regular expression password length Duration: 9:09 Form Validation In JavaScript Using Regular Expression This video on Validation in JavaScript will let you know everything about how a TAGs: JavaScript, jQuery, Regular Expressions. var name=document.myform.name.value; var password=document.myform.password.value; if (name==null || name=="") {. 3.