JSFiddle - React, Tailwind, and code Playground
by queryj
HTML
<div id="d1" class="outer-div">this is div 1
<p id="p1">this is paragraph 1 <span id="s1" class="inner-span"> this is span 1 </span> </p>
<p id="p2" class="para">
this is paragraph 2.
</p>
<div id="id1">
this is inner div
</div>
</div>
<div id="d2" class="outer-div">this is div 1
<p id="p3">this is paragraph 1 <span id="s2" class="inner-span"> this is span 1 </span> </p>
<p id="p4">
this is paragraph 2.
</p>
<div id="id2">
this is inner div
</div>
</div>
JavaScript
$(function(){
var l = $("div.outer-div").children("#id2").length;
console.log("total number of children: ", l);
console.log($("div.outer-div").find(".inner-span"));
});