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How to get the number of li in jquery: 1. Create an HTML sample file; 2. Introduce the jquery library; 3. Get the li through the "$("#questionUl li").length;" method.
The operating environment of this article: Windows 7 system, jquery version 3.2.1, DELL G3 computer
How to get how many li there are in jquery?
JS/Jquery gets how many li tags there are under the current UL tag
<ul class="zxdy" id="questionUl">
<li >1</li>
<li >2</li>
<li >3</li>
<li >4</li>
</ul>1. js method
<script>
var temp = document.getElementById('questionUl');
var linum = temp.getElementsByTagName("li").length
</script>2.jQuery method
var lengli = $("#questionUl li").length;Recommended learning: "jquery video tutorial"
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