How to get how many li there are in jquery

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(&#39;questionUl&#39;);
  var linum = temp.getElementsByTagName("li").length
 
</script>

2.jQuery method

var lengli = $("#questionUl li").length;

Recommended learning: "jquery video tutorial"

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