删除 Firefox JavaScript 控制台历史记录？
Delete Firefox JavaScript console history?
如何清除 Firefox JavaScript 控制台的命令历史记录？清除所有历史记录、cookie、缓存等不会清除 JavaScript 控制台历史记录，clear().
也不会
在控制台中输入：
<a href="https://developer.mozilla.org/en-US/docs/Tools/Web_Console/Helpers#copy" rel="noreferrer">clearHistory()</a>
New in Firefox 39. Just like a normal command line, the console command line remembers the commands you've typed. Use this function to clear the console's command history.
如何清除 Firefox JavaScript 控制台的命令历史记录？清除所有历史记录、cookie、缓存等不会清除 JavaScript 控制台历史记录，clear().
在控制台中输入：
<a href="https://developer.mozilla.org/en-US/docs/Tools/Web_Console/Helpers#copy" rel="noreferrer">clearHistory()</a>New in Firefox 39. Just like a normal command line, the console command line remembers the commands you've typed. Use this function to clear the console's command history.