constraint-validation-api

According to this: Do any browsers yet support HTML5’s checkValidity() method?, and this may not be the latest truth since HTML5 is a work in progress, the Form.checkValidity() and element.validity.valid should let you access validation information from JavaScript. Assuming that’s true, your jQuery would need to attach itself to the form submit and make use … Read more

Here is some code to display a custom error message: <input type=”text” id=”username” required placeholder=”Enter Name” oninvalid=”this.setCustomValidity(‘Enter User Name Here’)” oninput=”this.setCustomValidity(”)”/> This part is important because it hides the error message when the user inputs new data: oninput=”setCustomValidity(”)” Note: the this keyword is not required for inline event handlers, but you may want to use … Read more