function a() { return "hello"; } function b() { alert(a()); } b();
function a() { return "hello"; } function b(c) { alert(c); } b(a());
function a() { return "hello"; } function b() { alert(a()); } b();
function a() { return "hello"; } function b(c) { alert(c); } b(a());
转载于:https://www.cnblogs.com/feile/p/5325563.html