Valid XHTML 1.0 Transitional

jQuery: Reading an alt attribute

This is an image of flowers. This is also an image of flowers.
The jQuery Code START 
    
    <script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script>
    <script type="text/javascript">
      function getAlt() {
        alert($("img").slice(1, 2).attr("alt"));
      }
    </script>
  </head>

  <body>
    <h1>jQuery: Reading an alt attribute</h1>
    <img src="images/image1.jpg" alt="This is an image of flowers."></img>
    <img src="images/image2.jpg" alt="This is also an image of flowers."></img>
    <br>
    <form action="">
    <input type = "button" value="1st IMG get alt attribute" onclick="getAlt()"></input>
    <input type = "button" value="2nd IMG get alt attribute" onclick="getAlt2()"></input>
    <input type = "button" value="3rd IMG get alt attribute" onclick="getAlt3()"></input>
    </form>