JSFiddle - React, Tailwind, and code Playground

HTML

<div class="hierarchical" data-dependson="5">Test div with data-dependson = 5</div>

JavaScript

$.fn.attrIs = function(attr, value) { 
    $this = $(this);
    return $this.filter(function(index){
        if($(this).attr(attr) == value){
             return true;   
        }
        return false;
    });
    
}
    
console.log($(".hierarchical").attrIs("data-dependson", "5"));