Html5 Dictionary

I have a form with two required input fields: Solution 1: Update 2020-06-21 (ES6): Given that jQue… Read more Html5 Required Attribute One Of Two Fields

I usually work with PHP so sadly don't have some basic JS principles down. This is all I want … Read more Simple Javascript Checkbox Validation

whenever i click on submit button it fires alert('empty username') but goes a head and dire… Read more Prevent Form From Posting Until Javascript Code Is Satisfied

So I read a lot of articles that say that HTML 5 form validation is accessible (things required att… Read more Is Html5 Form Validation Truly Accessible?

I have a form for name, company, email, and phone number, and using required it makes sure that the… Read more Get Html5 Validation To Work With Onclick?

I follow Moving from ngModel.$parsers /ng-if to ngModel.$validators /ngMessages article from Todd M… Read more Angularjs: Ngmessage Weird Behavior With Input With Type "email"

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

I have managed to figure out how to 'error' alert if the passwords do not match, but this d… Read more How Do I Validate This Html/javascript Form Onsubmit?

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

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'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 have been trying to make this form validate before sending an email to my company. It will not v… Read more Why Does The Php Not Work For My Form?

Lets get to the problem as I allow open registration on my website(any one can open registration pa… Read more Can We Match An Exact String Using Html Pattern Attribute Only?

Consider an HTML form: Solution 1: Solution (of a sort): It turns out that it is only presence of… Read more Javascript Onchange Event Preventing Onsubmit Event In Html Form?

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

I am trying to do validation on a input based on value selected from a dropdown. JSFiddle: https://… Read more Dynamic Validation Using Ng-pattern Angularjs

I'm a complete Javascript beginner and I'm really stuck on my assignment. I have to get the… Read more How Do I Validate A Credit Card Expiry Date With Javascript?

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

A while back I was using the w3c validator for HTML5 and I was experimenting with a tag to replace … Read more Html5: Reference For Valid Tags Inside Other Tags

I have code similar to this example working nicely with a sing-page app using AngularJS. I wanted … Read more Dart Polymer Form Field Not Showing Validate Errors