javascript 从网页中删除图像，视频和背景，仅保留文本内容

Posted 2021-05-03

(function() {

  function toArray(arrayLike) {
    return [].slice.call(arrayLike);
  }

  function $(cssSelector) {
    return toArray(document.querySelectorAll(cssSelector));
  }

  function hideImagesAndVideos() {
    var allElementsToHide = $('img').concat($('video'));

    allElementsToHide.forEach(function(element) {
      element.style.display = 'none';
    });
  }

  function disableBackgroundImages() {
    $('body *').forEach(function(element) {
      element.style.background = "none";
      element.style.backgroundImage = "none";
    });
  }

  function removeDistractions() {
    hideImagesAndVideos();
    disableBackgroundImages();
  }

  setInterval(removeDistractions, 500);
})();