自动展开'查看更多'

(function () {
  function expand(root) {
    try {
      var sel = 'button.feed-shared-inline-show-more-text__see-more-less-toggle, '
              + 'button[aria-label*="see more" i]';
      (root || document).querySelectorAll(sel).forEach(function (b) {
        var t = (b.textContent || '').toLowerCase();
        if (t.indexOf('more') !== -1 && !b.dataset.jzExpanded) {
          b.dataset.jzExpanded = '1';
          b.click();
        }
      });
    } catch (e) {}
  }
  expand(document);
  try {
    var mo = new MutationObserver(function (muts) {
      muts.forEach(function (m) {
        m.addedNodes && m.addedNodes.forEach(function (n) {
          if (n.nodeType === 1) { expand(n); }
        });
      });
    });
    mo.observe(document.documentElement, { childList: true, subtree: true });
  } catch (e) {}
})();