Html5 Pros

I know that a POST can be spoofed in terms of originating domain, but what about being able to chan… Read more Could A Malicious Hacker Alter A Hidden Post Variable

I'm doing input validation on the following field and I want to set a default value. What I mea… Read more Get The Entered Value On Number Input Field, Not The Parsed

I have a weid thing happening with my Bootstrap 4 form validation where with two radio buttons have… Read more Bootstrap Form Validation Highlighting Label Text In Green When Input Is Not Required?

I'm using html5 constraint validation on a few fields on my form, such as: &l Solution 1: … Read more Codebehind Onclick Event Is Not Fired After Firing Jquery Event

This is a follow-up to a question I asked a few weeks back. The following: Solution 1: Alternative… Read more Masking & For Ajax Requests

Given a simple html form like this: Solution 1: So the idea is to disable the submit button if all… Read more Angularjs - Form Custom Validation - Check If At Least One Input Is Empty

I've started to work on Javascript recently. What I am testing is checking the DoB in valid for… Read more Javascript Date Validation ( Dd/mm/yyyy) & Age Checking

I try to validate my HTML code and I have found this warning: Empty heading. See here Obviously the… Read more Empty Heading Warning On Html5 Validation

I need to validate my form using jQuery or JavaScript when the page is submitted. The conditions to… Read more Validate A Booking Form With More Than One User Record

I have a date string in this format - 'DD-MM-YYYY' this validates that successfully: var da… Read more Date Validation With Javascript

I have a form with a several different field types, all of which need to be complete before submiss… Read more Disable Submit Button With Jquery Until All Fields Have Values (input, Radio, Select, Checkbox)

I'm making a web application using PHP in where I have a form that makes entries into a MySQL d… Read more Prevent Html Data From Being Posted Into Form Textboxes

I realize that you should never disable an element and also require it, because how could the user … Read more Html5 Form Validation With Required And Disabled Element

I'm getting Invalid location tag Warning on some tags with Eclipse Neon.3. For example: is va… Read more Eclipse Warnings Invalid Location Tag On Valid Html5 Tags

MVC.net 2 by default outputs validation messages like this: A Validation message I would li Solut… Read more Mvc.net 2 - Change The Html Outputed By Validationmessagefor - Can This Be Down Via Templates?

Let's say I have a string from the user ($input). I can go and strip tags, to allow only allowe… Read more Parse Html User Input

I want to find or make a bookmarklet that will validate the html content of a currently viewed page… Read more Making/finding Html5 Validator Bookmarklet

I have a textarea inside a form. Before the form is submitted, the textarea is validated and checke… Read more Compare Array Of Words To A Textarea Input With Javascript

I'm getting response from REST API and i'm trying to populate those error messages on the s… Read more Ngrepeat:dupes Error When Trying To Display Message On Html

I am using html 5 form validation for validate my form before submit, if is valid, submit, but I ne… Read more How To Create Html5 Custom Validation?