jQuery焦点图的应用场景及实现方法

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        <li><img src="image1.jpg" alt="Image 1"></li>
        <li><img src="image2.jpg" alt="Image 2"></li>
        <li><img src="image3.jpg" alt="Image 3"></li>
    </ul>
    <div class="controls">
        <span class="prev">Previous</span>
        <span class="next">Next</span>
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.controls {
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    bottom: 10px;
    left: 50%;
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}

.controls span {
    cursor: pointer;
    padding: 5px 10px;
    background: #333;
    color: #fff;
    margin: 0 5px;
}

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