Discuss
/
JavaScript
/
part1
part1
Topic source 'use strict';
function area_of_circle(r, pi) {
if( pi == undefined)
pi = 3.14;
return r * r * pi;
}
// 测试:
if (area_of_circle(2) === 12.56 && area_of_circle(2, 3.1416) === 12.5664) {
alert('测试通过');
} else {
alert('测试失败');
}
- 1
野子Vito