Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<div class="main">
    <div class="div"></div>
    <div class="div"></div>
</div>

<div class="main">
    <div class="div"></div>
    <div class="div"></div>
    <div class="div"></div>
</div>

<div class="main">
    <div class="div"></div>

</div>

<div class="main">
    <div class="div"></div>
    <div class="div"></div>
    <div class="div"></div>
    <div class="div"></div>
</div>

JavaScript

$('.main').each(function(){
  alert($(this).find('.div').length);
})

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JSFiddle - React, Tailwind, and code Playground

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JavaScript

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