此功能可以单步对所在函数单步调试,如果调试的语句是一个调用函数的语句时, Debugger将全速执行所调用的函数,单步(一步)通过所调用的函数,Debugger停该调用语句的下一条语句上. -This feature can be a single-step where the function of the single-step debugging, if the debugging statement is a statement function is called when