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1 | 1 | // Predict and explain first... |
2 | 2 |
|
3 | 3 | // Predict the output of the following code: |
4 | | -// =============> Write your prediction here |
| 4 | +// =============> The code will return 3 as a string first, but after calling the getLastDigit function, |
| 5 | +// it will not return anything because every number based will be converted to string. |
5 | 6 |
|
6 | | -const num = 103; |
| 7 | +//const num = 103; |
7 | 8 |
|
8 | | -function getLastDigit() { |
9 | | - return num.toString().slice(-1); |
10 | | -} |
| 9 | +//function getLastDigit() { |
| 10 | +// return num.toString().slice(-1); |
| 11 | +//} |
11 | 12 |
|
12 | | -console.log(`The last digit of 42 is ${getLastDigit(42)}`); |
13 | | -console.log(`The last digit of 105 is ${getLastDigit(105)}`); |
14 | | -console.log(`The last digit of 806 is ${getLastDigit(806)}`); |
| 13 | +//console.log(`The last digit of 42 is ${getLastDigit(42)}`); |
| 14 | +//console.log(`The last digit of 105 is ${getLastDigit(105)}`); |
| 15 | +//console.log(`The last digit of 806 is ${getLastDigit(806)}`); |
15 | 16 |
|
16 | 17 | // Now run the code and compare the output to your prediction |
17 | | -// =============> write the output here |
18 | | -// Explain why the output is the way it is |
19 | | -// =============> write your explanation here |
| 18 | +// =============> The last digit of 42 is 3 three times. |
| 19 | +// the prediction was close but not accurate, the case is that the parameter num needs to be |
| 20 | +//the function instead of const num = 103. |
| 21 | +// =============> |
20 | 22 | // Finally, correct the code to fix the problem |
21 | 23 | // =============> write your new code here |
22 | 24 |
|
| 25 | +function getLastDigit(num) { |
| 26 | + return num.toString().slice(-1); |
| 27 | +} |
| 28 | + |
| 29 | +console.log(`The last digit of 42 is ${getLastDigit(42)}`); |
| 30 | +console.log(`The last digit of 105 is ${getLastDigit(105)}`); |
| 31 | +console.log(`The last digit of 806 is ${getLastDigit(806)}`); |
23 | 32 | // This program should tell the user the last digit of each number. |
24 | 33 | // Explain why getLastDigit is not working properly - correct the problem |
| 34 | +// parameter num needs to be with the getLastDigit function instead of const num=103. |
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