Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<textarea id="emailTextarea" rows ="10" cols="25" >
sara@yahoo.com
adam@yahoo.com
todd@yahoo.com
henry@yahoo.com
wright@yahoo.com
sara@yahoo.com
adam@yahoo.com
todd@yahoo.com
</textarea>
<pre><code id="output"></code></pre>

JavaScript

var emails = document.getElementById('emailTextarea').value;
var output = document.getElementById('output');
var uniques = _.uniq(_.compact(emails.split("\n"))).sort();

output.innerHTML = uniques.join("\n");

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JSFiddle - React, Tailwind, and code Playground

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