我希望能够选择一个元素并查找具有特定类的所有后代元素,但不包含在类似的父元素中。很难描述:
HTML:
<div class="js-test js-1">
<div class="b">1</div>
<div class="b">1</div>
<div class="d">
<div class="b">1</div>
</div>
<div class="js-test js-2">
<div class="b">2</div>
<div class="b">2</div>
<div class="b">2</div>
<div class="d">
<div class="b">2</div>
</div>
<div class="js-test js-3">
<div class="b">3</div>
<div class="b">3</div>
<div class="b">3</div>
<div class="b">3</div>
<div class="d">
<div class="b">3</div>
</div>
</div>
</div>
</div>
尝试jQuery:
$(document).ready(function(){
function test(element)
{
var test2 = element.find('.b :not(.js-test .b)');
console.log(test2.length);
}
console.clear();
test($('.js-1'));
test($('.js-2'));
test($('.js-3'));
});
预期成绩:
3 4 5
实际结果:
0 0 0
发布于 2019-06-06 15:29:17
您必须进行一些过滤以仅计算.b
最接近的.js-test
等于的出现次数element
:
element.find('.b').filter(function() {
return $(this).closest('.js-test').is(element);
}).length;
https://stackoverflow.com/questions/-100006952
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