[英]How to get nested list values using jquery
當我單擊fold2.1時,我需要獲取值“ fold2.1”和“ fold2”,當我單擊“ doc 6”時,我還需要獲取“ doc6”,“ fold2.1”和“ fold2”值。
與“ fold2.2”相同,我需要獲取值“ fol2.2”和“ fold2”,當我單擊chld“ Doc 7”時,我也需要獲取“ Doc 7”,“ fol 2.2”和“ fol2”值。
HTML檔案:
<li class="favdelParentFold">
<a href="#parentLevel1" data-toggle="collapse" class="" aria-expanded="true">
<span class="caret-right"></span>
</a><span class="folder"></span><span id="pfDel">fold2</span><span data-toggle="modal" data-target="#AddFavorites_ModalDel" class="trashcan"> press me</span>
<ul class="collapse in" id="parentLevel1" aria-expanded="true">
<li class="favorite"><a id="pfDocDel" href="">one 1</a><span data-toggle="modal" data-target="#AddFavorites_ModalDel" class="trashcan">press me</span></li>
<li class="favorite"><a id="pfDocDel" href="">one 2</a><span data-toggle="modal" data-target="#AddFavorites_ModalDel" class="trashcan">press me</span></li>
<li class="favorite"><a id="pfDocDel" href="">one 3</a><span data-toggle="modal" data-target="#AddFavorites_ModalDel" class="trashcan">press me</span></li>
<!-- ROOT DOCS -->
<li class="favdelSubFold">
<a href="#1childlevel1" data-toggle="collapse">
<span class="caret-right"></span></a><span class="folder">
</span><span id="sfDel">fold2.1</span><span data-toggle="modal" data-target="#AddFavorites_ModalDel" class="trashcan">press me</span>
<ul id="1childlevel1" class="collapse in">
<li class="favorite">
<a id="sfDocDel" href="https://www.cna.com" target="_blank">doc6</a><span data-toggle="modal" data-target="#AddFavorites_ModalDel" class="trashcan">press me</span></li>
</ul>
</li>
<li class="favdelSubFold">
<a href="#1childlevel2" data-toggle="collapse">
<span class="caret-right"></span></a><span class="folder">
</span><span id="sfDel">fold2.2</span><span data-toggle="modal" data-target="#AddFavorites_ModalDel" class="trashcan">press me</span>
<ul id="1childlevel2" class="collapse in">
<li class="favorite">
<a id="sfDocDel" href="https://www.cna.com" target="_blank">doc7</a><span data-toggle="modal" data-target="#AddFavorites_ModalDel" class="trashcan">press me</span></li>
</ul>
</li>
</ul>
</li>
JS腳本
$(".favdelParentFold ul li .trashcan").click(function() {
if ($(this).parent().find('ul').length || $(this).closest('.favdelSubFold').length <1 ) return;
var tr = $(this).prev('a').text();
var pa = $(this).closest('.favdelParentFold').find('#pfDel').text();
var ya = $(this).parent('#sfDocDel').text();
alert(tr);
alert(pa);
alert(ya);
});
工作代碼:
頁面上不能有重復的ID。 那是無效的HTML,瀏覽器只能訪問第一個匹配項。 將類用於id=pfDel
值(以及其他每個ID都不唯一的ID)。
然后幾行代碼更改為對pfDel
等使用類選擇器:
var tr = $(this).prev('a').text();
var ya = $(this).closest('.favdelSubFold').find('.sfDel').text();
var pa = $(this).closest('.favdelParentFold').find('.pfDel').text();
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