Top "Html5-validation" questions

HTML5 Validation refers to the constraint-validation engine in HTML5 which allows easy validation of forms.

Is there a minlength validation attribute in HTML5?

It seems the minlength attribute for an <input> field doesn't work. Is there any other attribute in HTML5 …

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HTML5 validation when the input type is not "submit"

I'm using HTML5 for validating fields. I'm submitting the form using JavaScript on a button click. But the HTML5 validation …

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How do I style the HTML5 form validation error messages with CSS?

How do I style the HTML5 form validation error messages with CSS?

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How to manually show a HTML5 validation message from a JavaScript function?

I want to know if there is any way to programatically show a HTML5 validation error, using a JavaScript function. …

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Manually trigger html5 validation on button click

I am trying to handle form validation on button click. It is validating the form but not showing error. can …

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HTML5 Form Pattern / Validation

I am trying to come up with a valid pattern for an HTML5 form. I would like to allow all …

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HTML5 form validation before reCAPTCHA's

I integrated the new hidden reCAPTCHA (v2) framework which by default verifies the user with the click event of the …

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&nbsp causes a HTML5 validation fail

I'm in the process of applying a "HTML4.5" approach to an existing XHTML1.0 Strict site. The idea is to change …

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HTML input pattern validation is not working

I am trying to validate my HTML input with the pattern attribute. For some cases it's working, for some cases …

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How can I specify the exact number of digits that an user have to insert into an input field?

I am pretty new in HTML5 and I have the following problem. Into a page I have an input tag …

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