Note useless paragraph Remover

Remove blank paragraphs

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Note useless paragraph Remover
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Remove blank paragraphs
// @author       eggplants
// @homepage     https://github.com/eggplants
// @match        https://note.com/*/n/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    "use strict";

    Array.prototype.filter.call(
        document.getElementsByTagName('p'),
        function(n) {
            return n.childNodes.length===1 && n.childNodes[0].tagName==="BR";
        }
    ).map(n=>n.remove());
}());