Example
An HTML form with an image that represents the submit button:
<form action="demo_form.asp">
First name: <input type="text" name="fname"><br>
<input type="image" src="submit.gif" alt="Submit" width="48" height="48">
</form>
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Definition and Usage
The alt attribute provides an alternate text for the user, if he/she for some reason cannot view the image (because of slow connection, an error in the src attribute, or if the user uses a screen reader).
Note: The alt attribute can only be used with <input type="image">.
Browser Support
| Attribute | |||||
|---|---|---|---|---|---|
| alt | Yes | Yes | Yes | Yes | Yes |
Differences Between HTML 4.01 and HTML5
NONE.
Syntax
<input alt="text">
Attribute Values
| Value | Description |
|---|---|
| text | Specifies an alternate text for the image |