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CSS jQuery Basics (2014) Creating a Simple Lightbox Preventing the Default Behavior and Using attr()

Posted by Garvit Sharma
Garvit Sharma
2,683 Points

how to call defaultprevent??

how to call defaultprevent??

js/app.js 
//Problem: User when clicking on image goes to a dead end
//Solution: Create an overlay with the large image - Lightbox

//1. Capture the click event on a link to an image
$("#imageGallery a").click(function(event){
  event;
  var href = $(this);
  alert( event.isDefaultPrevented() );
  //1.1 Show the overlay.
  //1.2 Update overlay with the image linked in the link
  //1.3 Get child's alt attribute and set caption


});
//2. Add overlay
  //2.1 An image
  //2.2 A caption
//3. When overlay is clicked
  //3.1 Hide the overlay
index.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>

2 Answers

James Anwyl
.a{fill-rule:evenodd;}techdegree seal-36
James Anwyl
Full Stack JavaScript Techdegree Graduate 49,960 Points

Hi check out event.preventDefault() in the jQuery documentation

Hope this helps :)

DATA DEER
DATA DEER
18,940 Points
DATA DEER
DATA DEER
18,940 Points

This is the link to the jQuey documentation with a code example concerning the ".preventDefault()" method event.preventDefault()

But in your case, this should work

$("#imageGallery a").click(function(event){
  event.preventDefault(); 
...
});