JS作业

function run(num) {

if(num%3==0)

{

if(num%5==0)

{

if(num%7==0)

{

num='FizzBuzzWhizz';

}

else

{

num='FizzBuzz';

}

}

else if(num%7==0)

{

num='FizzWhizz';

}

else num='Fizz';

}

else if(num%5==0)

{

if(num%7==0)

{

num='BuzzWhizz';

}

else

{

num='Buzz';

}

}

else if(num%7==0)

{

num='Whizz';

}

return num.toString();

}

var test1 = function() {

let result = run(2);

if(result != 2) {

document.write('The test 1 failed' + '
')

}else {

document.write('The test 1 result is : '+ result + '
')

}

}

var test2 = function() {

let result = run(3);

if(result != 'Fizz') {

document.write('The test 2 failed' + '
')

}else {

document.write('The test 2 result is : '+ result + '
')

}

}

var test3 = function() {

let result = run(5);

if(result != 'Buzz') {

document.write('The test 3 failed' + '
')

}else {

document.write('The test 3 result is : '+ result + '
')

}

}

var test4 = function() {

let result = run(7);

if(result != 'Whizz') {

document.write('The test 4 failed' + '
')

}else {

document.write('The test 4 result is : '+ result + '
')

}

}

var test5 = function() {

let result = run(3*5);

if(result != 'FizzBuzz') {

document.write('The test 5 failed' + '
')

}else {

document.write('The test 5 result is : '+ result + '
')

}

}

var test6 = function() {

let result = run(3*7);

if(result != 'FizzWhizz') {

document.write('The test 6 failed' + '
')

}else {

document.write('The test 6 result is : '+ result + '
')

}

}

var test7 = function() {

let result = run(5*7);

if(result != 'BuzzWhizz') {

document.write('The test 7 failed' + '
')

}else {

document.write('The test 7 result is : '+ result + '
')

}

}

var test8 = function() {

let result = run(3*5*7);

if(result != 'FizzBuzzWhizz') {

document.write('The test 8 failed' + '
')

}else {

document.write('The test 8 result is : '+ result + '
')

}

}

test1()

test2()

test3()

test4()

test5()

test6()

test7()

test8()

这次作业算法是很简单的，没有遇到什么困难。但是我纠结于是把test函数通过传参的方式来测试还是每一个情况都写一个test，因为前者更抽象，能给不同情况使用。但是我最后还是选择了最接近题目要求的方式，每一个都写了一个测试。