| <elements> / attributes / "values" | Support |
|---|---|
<form>
|
Yes |
| accept-charset | Yes |
| action | Yes |
| enctype | Yes |
| method | Yes |
| name | Yes |
| novalidate | No |
| target | Yes |
<fieldset>
|
Yes |
| disabled | Yes |
| form | Yes |
| name | Yes |
<label>
|
Yes |
| form | Yes |
| for | Yes |
<input>
|
Yes |
| accept | No |
| action | Yes |
| alt | Yes |
| autocomplete | Yes |
| autofocus | Yes |
| checked | Yes |
| disabled | Yes |
| enctype | Yes |
| form | Yes |
| height | Yes |
| list | Yes |
| max | Yes |
| maxlength | Yes |
| method | Yes |
| min | Yes |
| multiple | No |
| name | Yes |
| novalidate | No |
| pattern | Yes |
| placeholder | Yes |
| readonly | Yes |
| required | Yes |
| size | Yes |
| src | Yes |
| step | Yes |
| target | Yes |
| type | Yes |
| "button" | Yes |
| "checkbox" | Yes |
| "color" | No |
| "date" | Yes |
| "datetime" | Yes |
| "datetime-local" | Yes |
| "email" | Yes |
| "file" | Yes |
| "hidden" | Yes |
| "image" | Yes |
| "month" | Yes |
| "number" | Yes |
| "password" | Yes |
| "radio" | Yes |
| "range" | Yes |
| "reset" | Yes |
| "search" | No |
| "submit" | Yes |
| "text" (default value) | Yes |
| "time" | Yes |
| "url" | Yes |
| "week" | Yes |
<button>
|
Yes |
| action | Yes |
| autofocus | Yes |
| disabled | Yes |
| enctype | Yes |
| form | Yes |
| method | Yes |
| name | Yes |
| novalidate | No |
| target | Yes |
| type | Yes |
| "button" | Yes |
| "reset" | Yes |
| "submit" | Yes |
| value | Yes |
<select>
|
Yes |
| autofocus | Yes |
| disabled | Yes |
| form | Yes |
| multiple | Yes |
| name | Yes |
| size | Yes |
<datalist>
|
Yes |
<optgroup>
|
Yes |
| disabled | Yes |
| label | Yes |
<option>
|
Yes |
| disabled | Yes |
| label | Yes |
| selected | Yes |
| value | Yes |
<textarea>
|
Yes |
| autofocus | Yes |
| cols | Yes |
| disabled | Yes |
| form | Yes |
| maxlength | Yes |
| name | Yes |
| readonly | Yes |
| required | Yes |
| rows | Yes |
| wrap | Yes |
<output>
|
Yes |
| for | Yes |
| form | Yes |
| name | Yes |
Need help? Hit F1 anytime while using Opera to access our online help files, or go here.