Top "Html-validation" questions

Questions about client-side form validation in browsers, as defined in the HTML Living Standard.

How to validate HTML from Java?

What is a fast and simple way to validate HTML from Java? I’m looking for an open-source/PD class (…

java html html-parsing html-validation
w3c validator gives 'document type does not allow element "input" here...' error

I got this error when validating my page with w3c's validator. Source: <form action="form.php" method="post"&…

html forms validation xhtml html-validation
Validation error: ul not allowed as child of element span

I do not understand why the WC3 validator is flagging this HTML as invalid, the error it reports back is... …

html html-validation
How to Disable HTML5 Validation Tooltips for Input Elements Without Form

If I have an input within a <form> element, I can simply add the novalidate attribute to the …

angularjs html html-validation
Material Ui - Add required attribute to a TextField in "select" mode

I am trying to make "required" a TextField in select mode. I tried to add required prop like in this …

reactjs material-ui html-validation
What's a valid HTML5 document?

I've just been reading the HTML5 author spec. It states that the <html>, <head> and <…

html html-validation
Validation (HTML5): Element 'th' cannot be nested in element 'table'

Given the following HTML, why do you get the error: Validation (HTML5): Element 'th' cannot be nested in element 'table' &…

html html-validation
Label not associated to input

Using the built in Chrome Lighthouse to run accessibility audit on a WP site showed the signup field as being …

html accessibility forms html-validation lighthouse
How to handle multiple <form>s in a single table and have HTML validate

Question -- it seems that I cannot have two forms embedded into a single table AND have my HTML validate. …

html forms html-table html-validation
Remove "type" attribute from script tags in WordPress

I am working on WordPress Site,these warnings are coming on every single page, Is there any method to resolve …

wordpress-theming html-validation