新增于: v12.7.0
阻塞直到客户端（现有或稍后连接）发送 Runtime.runIfWaitingForDebugger 命令。
¥Blocks until a client (existing or connected later) has sent
Runtime.runIfWaitingForDebugger command.
如果没有活动的检查器，则将会抛出异常。
¥An exception will be thrown if there is no active inspector.