https://www.w3schools.com/TAGS/att_form_novalidate.asp
HTML form novalidate Attribute
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
html formattribute
https://lkml.iu.edu/1005.2/02684.html
Linux-Kernel Archive: [PATCH 11/38] lockdep: Add novalidate class for dev-mutex conversion