inspector.waitForDebugger()

阻塞直到客户端（现有或稍后连接）发送 Runtime.runIfWaitingForDebugger 命令。

如果没有活动的检查器，则将会抛出异常。

Blocks until a client (existing or connected later) has sent Runtime.runIfWaitingForDebugger command.

An exception will be thrown if there is no active inspector.