When open some page with home or splash layout, there's js error [Uncaught TypeError: Cannot read properties of null (reading 'querySelectorAll')] in browser console.

[qddegtya]

What happened?

• Minimal Mistakes version: 4.26.2
• Ruby gem or remote theme version: 4.26.2
• Jekyll version: 3.9.5
• Git repository URL:
• Hosted on GitHub Pages (if yes provide URL to site): [Hosted on Vercel]
• Operating system: Hosted on Vercel

Expected behavior

// https://github.com/mmistakes/minimal-mistakes/blob/master/assets/js/_main.js#L127
// Suggestion: Optimize code logic with IIFE to check if page__content element is exists.
(function () {
  var pageContentElement = document.querySelector(".page__content");
  if (!pageContentElement) return;

  pageContentElement.querySelectorAll("h1, h2, h3, h4, h5, h6")
    .forEach(function (element) {
      var id = element.getAttribute("id");
      if (id) {
        var anchor = document.createElement("a");
        anchor.className = "header-link";
        anchor.href = "#" + id;
        anchor.innerHTML =
          '<span class="sr-only">Permalink</span><i class="fas fa-link"></i>';
        anchor.title = "Permalink";
        element.appendChild(anchor);
      }
    });
})();

Steps to reproduce the behavior

1. Started up a Jekyll server locally.
2. Open some page with home or splash layout then Open Developer Tool in browser.

Other

No response

[iBug]

Please elaborate on what is wrong. As is currently written, this is not a bug report.

[qddegtya]

Please elaborate on what is wrong. As is currently written, this is not a bug report.

看 UserId，以为是 Bot，I'M SORRY. 😄
如果需要的话，我可以直接提 PR，我看你也是「国内开发者」，因此直接中文沟通了，这是一段 _main.js 里的报错，没有做防御逻辑，在 Home 或者 Splash Layout 里并不会渲染 page__content，所以会直接导致相关页面执行到这里的时候，浏览器控制台有错误输出，虽然这个 feature 的代码并不会直接影响页面渲染，但这是事实上的代码逻辑错误，应该优化一下。

[iBug]

可以，你开 PR 吧。

我的回复是要求报 bug 时把所有信息讲清楚，特别是「有 error」→「有什么 error」，并且最好能把报错内容附在 issue 正文里。你这样只贴一段代码还说「自己去看」，没有人能看出来你要报的是什么 bug。

（此条针对你 edit 前的 issue，但以后也请注意）

剩下的自己去看《提问的智慧》吧。