The designation is being acknowledged as a <div>

I am facing an issue with a div structure that contains a label and 4 child divs. My goal is to apply CSS and jQuery effects to only the child divs, excluding the label. To achieve this, I implemented the following code:

HTML:

<div class="score row-fluid">
    <label class="span8">Text...</label>
    <div class="span1"><img></div>
    <div class="span1"><img></div>
    <div class="span1"><img></div>
    <div class="span1"><img></div>
</div>

CSS

.score > div {
    cursor:pointer;
}

jQuery

$('> div', '.score').on('mouseenter', function() {
    if($(this).not('.score-selected')) {
        var $img = $(this).children('img');
        var point = $img.attr('src').lastIndexOf('.');
        var src = $img.attr('src').substring(0,point);
        var newSrc = src + "-hover" + $img.attr('src').substring(point);
        $img.attr('src', newSrc);
    }
})
.on('mouseleave', function() {
    if($(this).not('.score-selected')) {
        var $img = $(this).children('img');
        var point = $img.attr('src').lastIndexOf('.');
        var point2 = $img.attr('src').lastIndexOf('-hover');
        var src = $img.attr('src').substring(0,point2);
        var newSrc = src + $img.attr('src').substring(point);
        $img.attr('src', newSrc);
    }
});

However, I noticed that the label, which should not be affected, also displays a pointer cursor and triggers the JavaScript events.

I have set up a fiddle here, and strangely, the JavaScript is not working in the fiddle, although the CSS is still applied to the label.

Does anyone have insights as to why the label is being treated as a div in this case?

Answer №1

Bootstrap applies a pointer to the label element, causing mouse events to trigger on both .score and > div. When hovering over the label, the cursor is also over the .score element.

UPDATE: I have adjusted the logging in your JS fiddle, which can be found here http://jsfiddle.net/sEa5W/1/

Although the mouse enter event is not fired from the label, the mouse exit event is triggered when moving from one of the DIVs to the label, as you are technically exiting the DIV.

Answer №2

Maybe consider utilizing the HTML5

<img data-large="path-to-large-image"
method in your jQuery selection.

<div class="score row-fluid">
    <label class="span8">Text...</label>
    <div class="span1"><img src="thumbnail1.jpg" data-large="fullsize1.jpg" alt="img1" /></div>
    <div class="span1"><img src="thumbnail2.jpg" data-large="fullsize2.jpg" alt="img2"></div>
    <div class="span1"><img src="thumbnail3.jpg" data-large="fullsize3.jpg" alt="img3"></div>
    <div class="span1"><img src="thumbnail4.jpg" data-large="fullsize4.jpg" alt="img4"></div>
</div>

Here is the jQuery code:

$('div.score>div.span1').on('mouseenter', function() {
    if($(this).not('.score-selected')) {
        var $img = $(this).children('img');
        $img.attr('src', $img.attr('data-large'));
    }
})
.on('mouseleave', function() {
    if($(this).not('.score-selected')) {
        var $img = $(this).children('img');
        $img.attr('src', $img.attr('data-large'));
    }
});

edit Just realized I used "large" twice, but you can also use "small" or any other data attribute. This method avoids string manipulation and makes use of HTML5 data attributes.

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