JavaScript Exercises

I have a standard form populated by an MVC model with standard [Required] validation. I want to … Read more Mvc Form Validation Without Form Submission

I have to do jQuery form validation for password. The password should contain at least two special… Read more Regular Expression To Match At Least Two Special Characters In Any Order

I have received PHP/JS code from previous developer and I need to add number validation to a Mobil… Read more Javascript Regex To Limit Text Field To Only Numbers (must Allow Non-printable Keys)

I'm trying to deal with a frustrating Internet Explorer issue that prevents me from using jquer… Read more Can I Get To Look Like ?

I'm trying to make a function for checking file size and extension on run time, I have done it … Read more Why Ie 9 Not Supporting Javascript Function?

I've written the following simple validation code with Jquery, everything is working fine but o… Read more Jquery Custom Validation Displays Only Error Of Last Field

My code follows:. Testing the textarea Read more My Form Submits Data Even If It Is Invalid. But My Validation Works Fine

I'm trying to implement one of Saki's examples in Form --> Displaying Form Submit Errors… Read more Ext-js Quicktips Not Working Correctly

I am working on a contact form and need some inline javascript form validation. I already have php … Read more Inline Active Javascript Form Validation

I'm using the jQuery Validation Plugin and want to run my own code when the plugin detects a va… Read more Jquery Form Validation - Success + Showerrors

I want to be able to validate a form to check if a website/webpage exists. If it returns a 404 erro… Read more How To Check If A Webpage Exists. Jquery And/or Php

I have JavaScript form validation functions like so: function validate_name(field) { if (field… Read more Make Form Fields Optional With Javascript Validation

I am using jQuery Validate plugin to validate my form, how can i validate a custom date with this d… Read more Jquery Validation Plugin: Validate Custom Date Format

I want to set focus on inputText field in JSF when there is a validation error on that particular i… Read more Set Focus To Inputtext On Validation Error

I've got the input field, need to check the number only, if value of input is number - another … Read more Input Validation Number With Display Another Block

I am using a ngModelGroup directive to group several form inputs together. In the docs (https://ang… Read more Angular 2: Add Validators To Ngmodelgroup

This script functions mostly how I would like it to: alert when a radio checkbox has not been selec… Read more Javascript Form Submission After Validation

Can someone explain me how to use the function validation of this Polymer element (navigate to the … Read more Polymer Use Function Validation On Core-input

I'm getting the error message 'Uncaught TypeError: $(...).valid is not a function' when… Read more Jquery Validate: Uncaught Typeerror: $(...)."valid Is Not A Function" With Valid References/order

We've got some code like this that has been working for some time. It's for a button that … Read more Javascript Return False Not Stopping Form Submission