我想获得二级上的数据属性
$('.filter-select').each(function() {
console.log($(this).data()) // this gives me all data
$(this).on('change', function() {
console.log($(this).data()) // but here gives me only on that i clicked i want it all
})
})
不使用each
,然后尝试将事件监听器附加到每个.filter-select
元素,而是使用事件委派将监听器附加到父元素,以便它捕获来自所有.filter-select
元素的更改事件;冒泡";DOM。
$(document).on('change', '.filter-selector', handleChange);
function handleChange() {
console.log($(this).data());
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<select data-id="1" class="filter-selector">
<option selected>Choose (id: 1)</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
<select data-id="2" class="filter-selector">
<option selected>Choose (id: 2)</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
您可以简单地:
$('.filter-select').each(function() {
const allData = $(this).data();
$(this).on('change', function() {
// use allData to access all
})
})