JSFiddle - React, Tailwind, and code Playground

HTML

<div data-monkey-user="bar" data-monkey-permission="read">
    <span data-monkey-user="bar" data-monkey-permission="read">some text</span>
</div>
<div>
    <input type="text" data-monkey-user="bar" data-monkey-permission="none">
</div>
<input type="text">
<input type="text">
<input type="text">
<input type="text">

JavaScript

var arr = $("body").find('*').filter(function(){
    var attrs = Object.keys($(this).data());
    return ($.grep(attrs, function(o){
        return /monkey/.test(o) === true;
    }).length);
}).get();
console.log(arr);