jQuery not displaying Div elements as expected

After experimenting with the Coverflow technique and adapting it to work with a div, I have encountered a slight issue. Below is the HTML code I am using:


    <html> 
    <head> 
        <meta http-equiv="Content-type" content="text/html; charset=utf-8" /> 
        <style type="text/css" media="screen"> 
            body,html {
                margin: 0;
                padding: 0;
                background: #000;
                height: 100%;
                color: #eee;
                font-family: Arial;
                font-size: 10px;
            }
            div.magnifyme {
                height: 80px;
                padding: 80px;
                position: absolute;
                top: 0px;
                left: 0px;
                width: 2000px;
            }
            ...

    </script> 
</head> 
<body> 
    <div class="container">
    <div class="wrapper"> 
    <div class="magnifyme"> 
    <div id="div0">This is div 0</div>  
    <div id="div1">This is div 1</div>  
    <div id="div2">This is div 2</div>  
    <div id="div3">This is div 3</div>  
    <div id="div4">This is div 4</div>  
    </div> 
    </div>
    <div class="nav">
    <button type="button" id="add">Add to Deck</button>
    </div> 
    </div>
</body> 
</html>  

Despite including the necessary JavaScript files for the Coverflow function, I am facing an issue when trying to add a new div dynamically. The newly added div does not display as expected, and even calling the coverflow() function after addition does not solve the problem. I have included my modified coverflow function below:


...

One observation is that after clicking the button multiple times, the new elements do appear but not in alignment with the existing divs. They rather appear below the original divs. I suspect this might be related to the CSS styling of the magnifyme class with a width of 2000px. Is there any suggestion on resolving this issue?

Answer №1

To enhance the functionality of the coverflow widget, you must create an additional function:

    expand: function(element) {
        var self = this;
        this.container.append(element);
        this.settings.items = $('> *', this.container);
        this.items = $(this.settings.items, this.container).on("click", function() {
            self.moveTo(this);
        });
        this.itemWidth = this.items.outerWidth(true);
        this.moveTo(this.items.length-1);
    },

Next, execute the function as shown below:

$("#expansion").click(function() {
    $("div.zoom").coverflow('expand', "<div></div>");
});

Answer №2

To start, you must include references to the jQuery UI core and the jQuery slider plugin.

Next, within your click event, you are triggering a location.reload action. This action refreshes the page from the server, undoing any modifications you've made to the page. (If you reduce the size of the DIVs significantly, you can observe one briefly appearing before the page reloads).

Answer №3

If you're encountering a js error on your page stating "$.widget is not a function," it likely means that you have forgotten to include the jqueryUI library. You can download it from http://jqueryui.com/

Furthermore, if you delete the location.reload line, your code should function properly. A more structured way to approach this would be to rewrite your script block as follows, ensuring that everything executes smoothly when the document is ready:

<script type="text/javascript">
    $(document).ready(function() {
        $("div.magnifyme").coverflow();
        $("#add").click(function() {
            $(".magnifyme").append("<div id=\"div5\">hello world</div>");
            $("div.magnifyme").coverflow();
        });
    });
</script> 

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