Discuss - 廖雪峰的官方网站

Discuss / JavaScript / 练习一

Back

Topic source

#1 Created at ... [Delete] [Delete and Lock User]

if (arguments.length === 1)
   pi = 3.14;
return pi * r * r;

#2 Created at ... [Delete] [Delete and Lock User]

if (a > b) { return a; } else { return b;
}