键盘上的Backspace 键^{(Backspace key)}长期以来一直用于在使用浏览器时返回上一页。但是，该密钥已在Chrome和新的Edge Chromium浏览器上被禁用。即使你按下退格键，它也不会做任何事情。在这篇文章中，我们将展示如何在Microsoft Edge和Chrome浏览器中启用退格。

在Edge和Chrome浏览器中启用Backspace

禁用退格键的主要原因是确保在有人意外使用它时不会丢失数据。一个主要情况是您执行货币交易。如果不小心按了退格键，可能会导致双扣。在任何形式的提交过程中，脚本可能会执行 2-3 个步骤，这就是问题所在。

既然您知道为什么禁用密钥，那么您可以如何启用它。虽然它有效，但在必要的表单提交期间要非常小心不要碰到它。

使用退格扩展返回

1. 转到扩展页面^{(the Extension page)}，并将其安装在 Chrome 或 Edge 上
2. 安装后，它将重新启用退格键作为后退导航按钮
3. 当您输入任何内容时，它将保留删除^(Delete)功能。

该扩展名正式来自Google。

此扩展程序无法恢复特定单独页面上的退格键，例如任何“chrome://”页面，例如设置或扩展程序。

阻止某些页面的退格键

如果您想退格一些已知页面的禁用键，您可以将它们添加到配置列表中。

• 右键单击^{(Right-click)}扩展，然后单击扩展选项
• 它将显示两个文本框
  • 添加不起作用的网站
  • ^(Backspace)某些小程序（如Flash^(Flash)、Java、PDF等）禁用了退格键。
  • 您还可以列出退格可以使用的此类小程序的URL。

由于存在意外数据丢失的风险，2018 年 10 月的^{(October 2018)}Windows 10 更新中删除了对退格键的官方支持。Chrome也删除了Chrome 52中的退格键。Microsoft 工程师^{(Microsoft Engineer)}Eric Law [MSFT Edge] 在Answers论坛中证实了这一点。

我们希望浏览器扩展可以帮助您在Chrome^(Chrome)和Edge上启用退格键。

How to enable Backspace in Edge and Chrome browser

The Backspace key on the keyboard has been long used to go back to the previous page when using a browser. However, the key has been disabled on both Chrome and the new Edge Chromium browsers. Even if you press the backspace key, it won’t do anything. In this post, we will show how you can enable backspace in both Microsoft Edge and Chrome browsers.

Enable Backspace in Edge & Chrome browsers

The primary reason the backspace was disabled is to make sure that there is no data loss if someone uses it accidentally. One prime case is where you perform a monetary transaction. If you accidentally hit the backspace key, it may result in a double deduction. During any form of submission, the scripts might be performing 2-3 steps, and that’s where the problem occurs.

Now that you know why the key is disabled, here is how you can enable it. While it works, be very careful not to hit it during necessary form submission.

Go Back With Backspace extension

1. Go to the Extension page, and install it on Chrome or Edge
2. Once installed, it will re-enable the backspace key as a back navigation button
3. When you are typing anything, it will preserve the Delete function.

The extension is officially from Google.

This extension can’t restore backspace on particular individual pages, for example, any of the “chrome://” pages such as Settings or Extensions.

Block Backspace Key for some pages

If you want to backspace the key to be disabled for some known pages, you can add them to the configuration list.

• Right-click on the extension, and click on Extension options
• It will reveal two text boxes
  • Add websites where it will not work
  • Backspace disabled for some of the applets like Flash, Java, PDF, etc.
  • You can also list the URL of such an applet where the backspace will work.

Official support for the backspace key was removed from the Windows 10 Update in October 2018 due to the risk of unexpected data loss. Chrome too removed backspace in Chrome 52. This was confirmed by a Microsoft Engineer, Eric Law [MSFT Edge],  in the Answers forum.

We hope the browser extension helps you enable the backspace key on Chrome and Edge.

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