HTML input alt attribute
Examples
With an image submit button HTML form:
<form action="demo_form.html">
First name: <input type="text" name="fname"><br>
<input type="image" src="submit.gif" alt="Submit" width="48" height="48">
</form>
First name: <input type="text" name="fname"><br>
<input type="image" src="submit.gif" alt="Submit" width="48" height="48">
</form>
try it"
Browser Support
All major browsers support the alt attribute.
Definition and Usage
alt attribute for a user for some reason (such as speed is too slow, src attribute errors, disable browser images, the user is using a screen reader) provides an alternative text can not view the image.
Note: alt attribute only with <input type = "image"> used in conjunction.
Differences between HTML 4.01 and HTML5
no.
grammar
<input alt="text">
Property Value
| 值 | 描述 |
|---|---|
| text | 规定图像的替代文本。 |
HTML <input> tag