revision:
It provides a text, if a user for some reason cannot view an image (because of slow connection, an error in the src attribute, or if the user uses a screen reader).
It can be used on the following elements:<area >, <img>, <input>. The alt attribute is required for the <img> element. For <input> elements, the alt attribute can only be used with <input type="image">. To create a tooltip for an image, use the title attribute!
<img alt="alternative text">
<area alt="alternative text">
<input alt="alternative text">
alternative text specifies an alternate text for the image.
<img src="../../pics/1.jpg" alt="holiday" width="300" height="300">
Click on the image, and the input will be sent to a page on the server called "/action_page.php".
codes:
<p class="spec">Click on the image, and the input will be sent to a page on the server called "/action_page.php".</p> <form style="margin-left: 5vw;" action="/action_page.php"> <label for="fname">First name:</label> <input type="text" id="fname" name="fname"> <input type="image" src="../../pics/submit.gif" alt="Submit" width="24" height="24">