The HTML5 form validation process is limited to situations where the form is being submitted via a submit button. The Form submission algorithm explicitly says that validation is not performed when the form is submitted via the submit() method. Apparently, the idea is that if you submit a form via JavaScript, you are supposed to … Read more
Currently, there is no way to style those little validation tooltips. The only other option, which is what I have chosen to do, is to disable the browser validation all together for now and rely on my own client-side validation scripts. According to this article: http://blog.oldworld.fr/index.php?post/2010/11/17/HTML5-Forms-Validation-in-Firefox-4 “The simplest way to opt out is to add … Read more
You can use the pattern attribute. The required attribute is also needed, otherwise an input field with an empty value will be excluded from constraint validation. <input pattern=”.{3,}” required title=”3 characters minimum”> <input pattern=”.{5,10}” required title=”5 to 10 characters”> If you want to create the option to use the pattern for “empty, or minimum length”, … Read more