remove-onclick-attribute-on-soundhouse.js

// ==UserScript==
// @name         Remove onclick from a tags on Soundhouse
// @namespace    https://ason.as/
// @version      0.1
// @description  Remove onclick events from all a tags on Soundhouse website
// @author       asonas
// @match        *://www.soundhouse.co.jp/*
// @grant        none
// ==/UserScript==

(function() {
  'use strict';

  const observer = new MutationObserver((mutations) => {
    mutations.forEach((mutation) => {
      mutation.addedNodes.forEach((node) => {
        if (node.nodeType === 1 && node.tagName === 'A') {
          node.removeAttribute('onclick');
        }
      });
    });
  });

  const config = { childList: true, subtree: true };

  observer.observe(document.body, config);

  document.querySelectorAll('a[onclick]').forEach((a) => {
    a.removeAttribute('onclick');
  });
})();