Jquery - Hover effect not working when loading dynamic content - URI with hastags

Question

I am currently working the front-end on a website. I am using jquery in order to create a dynamic content.

My problem is that when I type my URI (localhost/jquery/myfile/) and the index.php loads, my jquery script works, but when I click on my navigation bar and my #index.php is placed in the URI (localhost/jquery/myfile/#index.php) one of my js scripts, the one with the hover effect, doesn't work (but all my other js files work, such as my nav menu script which includes a hover effect as well).

I have made my research and found out that when the new URI is loaded, hover effect stops working.

index.php

<section id="main-content">
<div id="guts">
    <div id="items">
        <a style="opacity: 1;" class="item" href="#" title="">
        <img src="#" width="190" height="120">
        <span style="display: none;" class="caption">8 Extremely </span></a>

        <a style="opacity: 1;" class="item" href="#" title="">
        <img src="#" width="190" height="120">
        <span class="caption">8 Amazing Javascript Experiments of Physic and Gravity Simulation</span></a>

        <a style="opacity: 1;" class="item" href="#" title="">
        <img src="#" width="190" height="120">
        <span class="caption">8 Incredible Wordpress Plugins</span></a>

        <a style="opacity: 1;" class="item" href="#" title="">
        <img src="#" width="190" height="120">
        <span class="caption">9 Web CSS Tools You Must Know</span></a>

        <a style="opacity: 1;" class="item" href="#" title="">
        <img src="#" width="190" height="120">
        <span style="display: none;" class="caption">10 Image Galleries jQuery Script with Thumbnail Filmstrip</span></a>

        <a style="opacity: 1;" class="item" href="#" title="">
        <img src="#" width="190" height="120">
        <span style="display: none;" class="caption">Single Page Websites With Creative Javascript Effects</span></a>

        <a style="opacity: 1;" class="item" href="#" title="">
        <img src="#" width="190" height="120">
        <span class="caption">13 Simple but Useful Online Tools for Web Development</span></a>

        <a style="opacity: 1;" class="item" href="#" title="">
        <img src="#" width="190" height="120">
        <span class="caption">8 Ways to Increase the Readibility and Beautify your HTML Code</span></a>

        <a style="opacity: 1;" class="item" href="#" title="">
        <img src="#" width="190" height="120">
        <span class="caption">12 Insanely Awesome Javascript Effects</span></a>

        <a style="opacity: 1;" class="item" href="#" title="">
        <img src="#" width="190" height="120">
        <span style="display: none;" class="caption">10 New jQuery Plugins You Have to Know</span></a>

        <a style="opacity: 1;" class="item" href="#" title="">
        <img src="#" width="190" height="120">
        <span class="caption">20 Firefox Plug-ins for Web Designers and Developers</span></a>

        <a style="opacity: 1;" class="item" href="#" title="">
        <img src="#" width="190" height="120">
        <span class="caption">12 Amazing and Creative Javascript Games</span></a>
    </div>
</div>
</section>

ext.js

$(document).ready(function () {

//loop through all the children in #items
//save title value to a span and then remove the value of the title to avoid tooltips
$('#items .item').each(function () {
    title = $(this).attr('title');
    $(this).append('<span class="caption">' + title + '</span>');  
    $(this).attr('title','');
});

$('#items .item').hover(
    function () {
        //set the opacity of all siblings
        $(this).siblings().css({'opacity': '0.2'});

        //set the opacity of current item to full, and add the effect class
        $(this).css({'opacity': '1.0'}).addClass('effect');

        //show the caption
        $(this).children('.caption').show();   
    },
    function () {
        //hide the caption
        $(this).children('.caption').hide();       
    }
);

$('#items').mouseleave(function () {
    //reset all the opacity to full and remove effect class
    $(this).children().fadeTo('100', '1.0').removeClass('effect');     
});   
});

dynamicpage.js

$(document).ready(function () {


$(function() {

    var newHash      = "",
        $mainContent = $("#main-content"),
        $pageWrap    = $("#page-wrap"),
        baseHeight   = 0,
        $el;

    $pageWrap.height($pageWrap.height());
    baseHeight = $pageWrap.height() - $mainContent.height();

    $("nav").delegate("a", "click", function() {
        window.location.hash = $(this).attr("href");
        return false;
    });

    $(window).bind('hashchange', function(){

        newHash = window.location.hash.substring(1);

        if (newHash) {
            $mainContent
                .find("#guts")
                .fadeOut(200, function() {
                    $mainContent.hide().load(newHash + " #guts", function() {
                        $mainContent.fadeIn(200, function() {
                            $pageWrap.animate({
                                height: baseHeight + $mainContent.height() + "px"
                            });
                        });
                        $("nav a").removeClass("current");
                        $("nav a[href='"+newHash+"']").addClass("current");
                    });
                });
        };

    });

    $(window).trigger('hashchange');
});
});

I would really appreciate if you could help me find why this is happening.

Thanks in advance, harris21

*edit:*My dynamic menu is working fine, the problem is that the the ext.js script is not working.

Answer 1

Try using on() if you are using a recent version of jQuery (1.7+), or delegate() if its an older version, instead of just hover()

Like this:

$("#main-content").on("mouseenter", "#items .item", function(event){
// your function
}).on("mouseleave", "#items .item", function(event){
// your function
});

See: http://api.jquery.com/on/