JSFiddle - React, Tailwind, and code Playground

HTML

<div data-id="001">Blah Blah Blah</div>
<div data-id="001">Blah Blah Blah</div>
<div data-id="002">Blah Blah Blah</div>
<div data-id="002">Blah Blah Blah</div>
<div data-id="002">Blah Blah Blah</div>
<div data-id="003">Blah Blah Blah</div>
<div data-id="003">Blah Blah Blah</div>
<div data-id="004">Blah Blah Blah</div>

JavaScript

var found = {};
$('[data-id]').each(function(){
    var $this = $(this);
    if(found[$this.data('id')]){
         $this.remove();   
    }
    else{
         found[$this.data('id')] = true;   
    }
});