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JavaScript

Posted by Paige Jordan
Paige Jordan
7,054 Points

Why isn't my lightbox image gallery working?

I have double checked my code and can't seem to get the image to open as a lightbox image gallery; when the image is clicked it is still opening as it's own file like I haven't changed anything at all. I have saved my files, refreshed the page, closed the window and reopened it through work spaces, logged out and logged back in and nothing seems to work. What have I done wrong?

var $overlay = $('<div id="overlay"></div>');

var $image = $("<img>");

var $caption = $("<p></p>");

$overlay.append($image);

$overlay.append($caption);

$("body").append($overlay);

$("#imageGallery a").click(function(event){
  event.preventDefault();
  var imageLocation = $(this).attr("href");

  $image.attr("src", imageLocation);

  $overlay.show();

  var captionText = $(this).children("img").attr("alt");
  $caption.text(captionText);
});


$overlay.click(function() {

  $overlay.hide();
});
Paige Jordan
Paige Jordan
7,054 Points

It might also help to see the html: 

<!DOCTYPE html>
<html>
<head>
    <link rel="stylesheet" href="css/style.css" type="text/css" media="screen" title="no title" charset="utf-8">
    <title>Image Gallery</title>
</head>
<body>
    <h1>Image Gallery</h1>
    <ul id="imageGallery">
        <li><a href="images/refferal_machine.png"><img src="images/refferal_machine.png" width="100" alt="Refferal Machine By Matthew Spiel"></a></li>
        <li><a href="images/space-juice.png"><img src="images/space-juice.png" width="100" alt="Space Juice by Mat Helme"></a></li>
        <li><a href="images/education.png"><img src="images/education.png" width="100" alt="Education by Chris Michel"></a></li>
        <li><a href="images/copy_mcrepeatsalot.png"><img src="images/copy_mcrepeatsalot.png" width="100" alt="Wanted: Copy McRepeatsalot by Chris Michel"></a></li>
        <li><a href="images/sebastian.png"><img src="images/sebastian.png" width="100" alt="Sebastian by Mat Helme"></a></li>
        <li><a href="images/skill-polish.png"><img src="images/skill-polish.png" width="100" alt="Skill Polish by Chris Michel"></a></li>
        <li><a href="images/chuck.png"><img src="images/chuck.png" width="100" alt="Chuck by Mat Helme"></a></li>
        <li><a href="images/library.png"><img src="images/library.png" width="100" alt="Library by Tyson Rosage"></a></li>
        <li><a href="images/boat.png"><img src="images/boat.png" width="100" alt="Boat by Griffin Moore"></a></li>
        <li><a href="images/illustrator_foundations.png"><img src="images/illustrator_foundations.png" width="100" alt="Illustrator Foundations by Matthew Spiel"></a></li>
        <li><a href="images/treehouse_shop.jpg"><img src="images/treehouse_shop.jpg" width="100" alt="Treehouse Shop by Eric Smith"></a></li>
    </ul>
    <script src="//code.jquery.com/jquery-1.11.0.min.js" type="text/javascript" charset="utf-8"></script>
    <script src="js/app.js" type="text/javascript" charset="utf-8"></script>

</body>
</html>
```html

1 Answer

Chris Shaw
Chris Shaw
26,676 Points

Hi Paige,

I just tried all the above out in my own workspace and it worked as expected minus the styles, see the below link which is my workspace.

http://web-y9rt1ikqxb.treehouse-app.com/Paige%20Jordan/

The only other reason this would happen is if your JavaScript didn't load due to an incorrect path which you can see by looking in your browsers developer tools console, if you don't know how to get there the global shortcut for all browsers is F12.