javascript jQuery:如何找到具有特定 id 的 li 标签

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时间:2020-10-28 06:27:27  来源:igfitidea点击:

jQuery: How to find a li-tag with a specific id

javascriptjqueryhtml

提问by Zwen2012

I have a <ul>with many <li>. My <li>'s have different id's: for example: <li class="image" id=1>....</li>How can I find now this <li>with the id=1 ?? I tried this-->

我有<ul>很多<li>。我<li>的有不同的 id:例如:<li class="image" id=1>....</li>我现在如何<li>用 id=1找到这个?我试过这个-->

var deleteImage =  $("ul").find( ".image" ).attr("id").val(1);

...but it doesnt work. Any idea? THANKS!!!

...但它不起作用。任何的想法?谢谢!!!

回答by Antoine Combes

This is a basic JQuery/CSS selector:

这是一个基本的 JQuery/CSS 选择器:

var deleteImage =  $("ul").find( "#1.image" );

回答by Thomas Bormans

ID's should neverstart with numbers. Change your id's to image1, image2, image3, ... Then use:

ID的应该永远以数字开头。将您的 id 更改为 image1, image2, image3, ... 然后使用:

$('#image1').functionToExecute();

回答by John McManigle

The id tagis supposed to be unique within the HTML document. So, assuming you've constructed the HTML appropriately, you should be able to select the litag with just:

ID标签应该是HTML文档中是唯一的。因此,假设您已经适当地构建了 HTML,您应该能够选择li标签:

$('#1')