function perform(first, second) { flow.exec(first, second);}function callA() { a();}function callB() { b();}perform(callA, callB);
function perform(first, second) { flow.exec(first, second);}function callA() { a();}function callB() { b();}perform(callA, callB);名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
