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Notes
Remarks
The attribute can be set on text, text area, URL, email, select, checkbox, or radio button elements. It is a Boolean attribute and needs to be specified only on an element. When users hover the mouse over a required field, they’ll see a tool tip stating that it is a required field. The following example shows the validation attribute on a text input field.
Syntax
Standards information
- HTML5 A vocabulary and associated APIs for HTML and XHTML, Section 4.10.7.3.6
Compatibility
Desktop
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic Support | 22 | 15 | 10 | 12 |
5.1 |
Mobile
| Feature | Android | BlackBerry | Chrome for mobile | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Opera Mini | Safari Mobile |
|---|---|---|---|---|---|---|---|---|
| Basic Support | Unsupported | 10 | ? | ? | 10 | ? | Unsupported | Unsupported |
Compatibility notes
| Browser | Version | Note |
|---|---|---|
| Safari | 5.1+ | Partial support in Safari refers to lack of notice when form with required fields is attempted to be submitted. |
See also
Related pages (MSDN)
This article contains content originally from external sources.
Portions of this content come from the Microsoft Developer Network: [Windows Internet Explorer API reference Article]
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How to Use
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