问题描述
我使用bootstrap-select在select中加载图像，例如：
img {width:32px; margin-right:10px;}<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/js/bootstrap.bundle.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://cdn.jsdelivr.net/npm/bootstrap-select@1.13.14/dist/js/bootstrap-select.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap-select@1.13.14/dist/css/bootstrap-select.min.css" rel="stylesheet"/>
<select class="selectpicker">
<option data-content="<img src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' />Relish">Relish</option>
<option data-content="<img src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' />Text">Text</option>
<option data-content="<img src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' />Text2">Text2</option>
<option data-content="<img src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' />Relish">Relish</option>
<option data-content="<img src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' />Text">Text</option>
<option data-content="<img src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' />Text2">Text2</option>
<option data-content="<img src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' />Relish">Relish</option>
<option data-content="<img src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' />Text">Text</option>
<option data-content="<img src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' />Text2">Text2</option>
<option data-content="<img src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' />Relish">Relish</option>
<option data-content="<img src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' />Text">Text</option>
<option data-content="<img src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' />Text2">Text2</option>
</select>由于我有很多图像，所以我希望将它们作为延迟加载。我安装了jQuery.Lazy.js，但是它不适用于select的图像。
$(function() {
$('.lazy').lazy(
{
effect: "fadeIn",effectTime: 2000,threshold: 0,onError: function(element) {
console.log('Error loading ' + element.data('src'));
}
});
});
$('#mySelect').on('shown.bs.select',function (e,clickedindex,isSelected,prevIoUsValue) {
$(function() {
$('.lazy').Lazy();
});
});我做错了什么，或者您知道任何其他方法将图像加载为惰性加载吗？
注意：延迟加载对select以外的图像起作用。
这是安装延迟加载的示例：
$(function() {
$('.lazy').lazy(
{
effect: "fadeIn",prevIoUsValue) {
$(function() {
$('.lazy').Lazy();
});
});img {width:32px; margin-right:10px;}<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/js/bootstrap.bundle.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://cdn.jsdelivr.net/npm/bootstrap-select@1.13.14/dist/js/bootstrap-select.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap-select@1.13.14/dist/css/bootstrap-select.min.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.lazy/1.7.9/jquery.lazy.min.js"></script>
<select class="selectpicker">
<option data-content="<img data-src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' class='lazy' />Relish">Relish</option>
<option data-content="<img data-src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' class='lazy' />Text">Text</option>
<option data-content="<img data-src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' class='lazy' />Text2">Text2</option>
<option data-content="<img data-src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' class='lazy' />Relish">Relish</option>
<option data-content="<img data-src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' class='lazy' />Text">Text</option>
<option data-content="<img data-src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' class='lazy' />Text2">Text2</option>
<option data-content="<img data-src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' class='lazy' />Relish">Relish</option>
<option data-content="<img data-src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' class='lazy' />Text">Text</option>
<option data-content="<img data-src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' class='lazy' />Text2">Text2</option>
<option data-content="<img data-src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' class='lazy' />Relish">Relish</option>
<option data-content="<img data-src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' class='lazy' />Text">Text</option>
<option data-content="<img data-src='https://icon-library.com/images/facebook-icon-png-32x32/facebook-icon-png-32x32-3.jpg' class='lazy' />Text2">Text2</option>
</select>解决方法
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