JSFiddle - React, Tailwind, and code Playground

by Xeon06

HTML

<textarea></textarea>
<input type="button" value="Go">
<div></div>

CSS

textarea {
    width: 400px;
    height: 200px;
}

JavaScript

$("input").click(function() {
    var text = $("textarea").val();
    while(text.indexOf("\n\n") > 0)
        text = text.replace("\n\n", "\n");
    text = $.trim(text);
    
});