HTML5 has several new elements and attributes for forms.
This chapter covers the new form elements:
The datalist element specifies a list of options for an input field.
The list is created with option elements inside the datalist.
To bind a datalist to an input field, let the list attribute of the input field refer to the id
of the datalist:
Hint: The option elements should always have a value attribute.
The purpose of the keygen element is to provide a secure way to authenticate users.
The keygen element is a key-pair generator. When a form is submitted, two keys are generated, one
private and one public.
The private key is stored on the client, and the public key is sent to the server. The public key
could be used to generate a client certificate to authenticate the user in the future.
Currently, the browser support for this element is not good enough to be a useful security
The output element is used for different types of output, like calculations or script output:
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