Let’s have a deeper look into HTML5 forms in this article. Form element plays a very vital role in web development, this is the entity within which we keep various other elements and try to post the data within the form to the server side. As the name suggests, the form’s autocomplete attribute prompts auto completeness for various input elements present inside the form. It can be set at the form level and can be turned on/off at the individual element level as well.