JSFiddle - React, Tailwind, and code Playground

by bizamajig

HTML

<div class="mydiv" data-myval="1">11111111111111111111</div>
<div class="mydiv" data-myval="2">222222222222222222</div>

JavaScript

$('.mydiv').each( function() {
							var $this_element													= $(this)
              console.log($this_element.attr('data-myval'));
              $this_element.attr('data-myval',123); //setter
              console.log($this_element.attr('data-myval'));
});
              console.log($('.mydiv').attr('data-myval'));