HTML4 and XHTML insisted that all form elements — including the submit button — were contained within a single
One of the lesser-known HTML5 features is the
form attribute. It allows you to reference a specific
form by its ID on any orphaned field, e.g.
<form id="myform1" method="post"> <label for="name">name:</label> <input type="text" name="name" /> <label for="email">email:</label> <input type="email" name="email" /></form> <input type="number" form="myform1" name="age" /> <button form="myform1" type="submit">Submit</button>
form attribute allows you to place a field in one form that is submitted in another. Alternatively, you could change
form attribute is supported in all browsers — except any version of Internet Explorer. For that reason alone, it’s probably not worth using unless your orphaned fields are relatively unimportant and you’re happy to lose data.
But does this feel right? Perhaps it’s because I’ve been writing self-contained forms for many years, but I wouldn’t suggest using the
form attribute unless there was no other option. At best, it’s a little inelegant. At worst, it’ll confuse you and your colleagues when you examine the code in a few months time. But it’s reassuring to know it’s there should you need it!