^{(Mozilla Firefox)}如果您愿意，Mozilla Firefox现在还可以禁用PDF 文档中的 JavaScript 。^{(JavaScript in PDF documents)}此功能只是Mozilla提高其网络浏览器安全性的一种方式，我们喜欢它。

禁止JavaScript在Firefox PDF中运行^{(Firefox PDF)}

现在，在PDF文档中关闭JavaScript的功能可以毫不费力地完成，尽管没有我们想要的那么简单。这是因为Firefox的“^(Firefox)选项^(Options)”菜单中没有禁用JavaScript的功能。用户必须更深入地完成工作。

幸运的是，我们知道如何闭着眼睛去做。正如预期的那样，我们将与大家分享我们的知识。

为什么在Firefox^(Firefox)中禁用PDF文档中的JavaScript很重要？

有了新的更新，JavaScript代码现在将能够为那些需要它的人毫无问题地运行。例如，如果您想更改输入字段，则需要启用JavaScript才能进行更改。

运行JavaScript^(JavaScript)有很多好处，但同时也必须小心，因为它可以用来执行恶意代码。如果不采取正确的措施， JavaScript^(JavaScript)一直存在安全风险。

大多数Firefox用户可能一开始就不需要PDF文档来执行JavaScript。因此，最好的选择是在需要之前禁用该功能。

好的，让我们看看如何在Firefox中禁用PDF文档中的JavaScript：

1. 启动火狐
2. 在地址栏中输入about:config，然后按Enter键加载页面。
3. 确认您要继续，然后立即
4. 找到pdfjs.enableScripting
5. 您可以使用搜索功能找到pdfjs.enableScripting。
6. 一旦出现，请将首选项从True更改为False。

这应该可以禁用PDF文档中的JavaScript 。

如果您有任何疑问，请随时在评论部分提出。

阅读下一篇^{(Read next)}： 如何让 Firefox 打开新标签页作为右侧的最后一个标签页。^{(How to make Firefox open New Tabs as the last Tab on the right.)}

How to disable JavaScript from running in Firefox PDF documents

Mozilla Firefox now also the ability to disable JavaScript in PDF documents should you wish to do so. This feature is merely a way for Mozilla to improve security in its web browser, and we like it.

Disable JavaScript from running in Firefox PDF

Now, the ability to turn off JavaScript in PDF documents is effortless to get done, though not as straightforward as we would like. That is because the ability to disable JavaScript is not available from within the Options menu of Firefox. Users will have to go much deeper to get the job done.

Luckily, we know how to do it with our eyes closed. And as expected, we’re going to share our knowledge with everyone.

Why is it important to disable JavaScript in PDF documents in Firefox?

With the new update, JavaScript code will now be able to run without problems for those who need that to happen. For example, if you want to make changes to an input field, you will need JavaScript enabled for that to take place.

There are multiple benefits to running JavaScript, but at the same time, one has to be careful since it can be used to execute malicious code. JavaScript has always been a security risk if the right measures are not taken.

The majority of Firefox users will likely not need to have a PDF document executing JavaScript in the first place. Therefore, the best option is to disable the feature until it is needed.

OK, so let us look at how to disable JavaScript in PDF documents in Firefox:

1. Launch Firefox
2. Type about:config into the address bar, then hit the Enter key to load the page.
3. Confirm that you want to proceed, and right away
4. Locate pdfjs.enableScripting
5. You may use the search function to locate pdfjs.enableScripting.
6. Once it comes up, please change the preference from True to False.

That should do it for disabling JavaScript in PDF documents.

If you have any questions, feel free to ask in the comment section.

Read next: How to make Firefox open New Tabs as the last Tab on the right.

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