Firefox browser is set to open a web page in a new window by default (the default is to replace the current one) solution

Solution:

1. Enter in the browser address barabout:config

##Here you will be prompted that changing advanced configuration preferences may affect the performance and security of Firefox. direct" 接受风险并继续"

2. Copy the retrieved value. browser.tabs.loadBookmarksInTabsThe default is false. Double-click to change the value trueto complete.

that's all

3. browser.tabs.closeTabByDblclickChange it to true## to realize the double-click function of closing the label.