Mozilla Firefox 53不会显示“设备”在“响应式设计模式”中选择 [英] Mozilla firefox ver 53 doesn't show "Device" option in "Responsive Design Mode"

问题描述

根据

值得一提的是 page

According to this link, it should. But my Responsive Design Mode seems to be from before version 52, even though Firefox says it's version "53.0 (64-bit)"

解决方案

I had this problem and although the other answers were somewhat helpful, they didn't really solve this for me. After doing additional research, this is what I found what I had to do:

1. Open about:config in your address bar.
2. In the search bar, type browser.tabs.remote.autostart
3. Double-click on this to change the value to true. If it was already set to true, no need to make any changes.
4. Right-click anywhere on the list and from the drop-down menu, choose new -> boolean
5. Name this 'browser.tabs.remote.force-enable'
6. Set its value to true.
7. In the search bar, type accessibility.force_disabled
8. If it is present and the value is 0, set it to 1.
9. Restart the browser

The device bar should now be present. Like so:

Credit goes to this page

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