用空格还是用Tab键？ 除了行终止符之外，ASCII字符 (0x20)是在源文件中出现的唯一空白字符。 这意味着Tab制表符不用于缩进。

Throttle web worker operations Suspend all JavaScript operations in background tabs after "n" minutes, unless a web developer states that the tab should continue to run via an explicit opt-out. 2020+ ...