MetaFilter number all comments

On MetaFilter.com, adds a "comment 1 of 30" to each comment.

当前为 2019-08-12 提交的版本，查看最新版本。

换行

// ==UserScript==
// @name        MetaFilter number all comments
// @version     1
// @grant       none
// @match       http://*.metafilter.com/*
// @match       https://*.metafilter.com/*
// @description On MetaFilter.com, adds a "comment 1 of 30" to each comment.
// @locale      en-us
// @namespace   https://gf.qytechs.cn/users/324881
// ==/UserScript==

function addCountToComments() {
  // first, clear all counts in case this runs more than once on a page.
  let allCommentCountSpans = document.getElementsByClassName('tehhundUserScriptCommentCount');
  for (currentSpan of allCommentCountSpans) {
    currentSpan.remove();
  }
  
  // then add counts to every comment div.
  let allCommentDivs = document.getElementsByClassName('comments');
  allCommentDivs = Array.from(allCommentDivs).filter( function(div) {
      return div.previousSibling.tagName == 'A';
  });
  console.log(typeof allCommentDivs);
  let index = 0;
  for (let divToHighlight of allCommentDivs) {
    index += 1;
    divToHighlight.lastChild.innerHTML += '<span class=\'tehhundUserScriptCommentCount\'>Comment ' + index + ' of ' + allCommentDivs.length + '</span>';
  }
}

// Attach event listeners

addCountToComments(); // In case this script runs after the window load event, highlight as soon as Greasemonkey runs the script.
window.addEventListener('load',addCountToComments); // In case this script runs before the window load event, highlight when that event fires.

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