JSFiddle - React, Tailwind, and code Playground
by jfriend00
HTML
<script src="http://files.the-friend-family.com/log.js"></script>
JavaScript
var newFiles = ['file1_1', 'file2_0', 'file1_2', 'file3_5', 'file4_6'];
var s = new Set(newFiles);
var newFiles = ['file3_3', 'file2_0', 'file1_2', 'file3_5', 'file4_6'];
s.add(...newFiles);
log(JSON.stringify(Array.from(s)));