Sure, here is a JavaScript function that fulfills your requirements: ```javascript function returnDay(num) { let days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday']; if (num 7) { return null; } else { return days[num - 1]; } } ``` This function works as follows: 1. It first defines an array `days` that contains the days of the week, starting from Monday and ending on Sunday. 2. Then it checks if the input number `num` is less than 1 or greater than 7. If it is, the function returns `null`. 3. If the number is between 1 and 7 (inclusive), the function returns the corresponding day of the week. Note that we subtract 1 from `num` because array indices in JavaScript start from 0, not 1. So, for example, `days[0]` is 'Monday', `days[1]` is 'Tuesday', and so on.

Question

Sure, here is a JavaScript function that fulfills your requirements:

```javascript
function returnDay(num) {
    let days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'];
    if (num < 1 || num > 7) {
        return null;
    } else {
        return days[num - 1];
    }
}
```

This function works as follows:

1. It first defines an array `days` that contains the days of the week, starting from Monday and ending on Sunday.

2. Then it checks if the input number `num` is less than 1 or greater than 7. If it is, the function returns `null`.

3. If the number is between 1 and 7 (inclusive), the function returns the corresponding day of the week. Note that we subtract 1 from `num` because array indices in JavaScript start from 0, not 1. So, for example, `days[0]` is 'Monday', `days[1]` is 'Tuesday', and so on.

Knowee AI · Accepted Answer

Sure, here is a JavaScript function that fulfills your requirements:

```javascript
function returnDay(num) {
    let days = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'];
    if (num < 1 || num > 7) {
        return null;
    } else {
        return days[num - 1];
    }
}
```

This function works as follows:

1. It first defines an array `days` that contains the days of the week, starting from Monday and ending on Sunday.

2. Then it checks if the input number `num` is less than 1 or greater than 7. If it is, the function returns `null`.

3. If the number is between 1 and 7 (inclusive), the function returns the corresponding day of the week. Note that we subtract 1 from `num` because array indices in JavaScript start from 0, not 1. So, for example, `days[0]` is 'Monday', `days[1]` is 'Tuesday', and so on.

Write a function 'returnDay' that takes one parameter(number from 1 to 7) and returns the day of the week.(where 1 is Monday, 2 is Tuesday, 3 is Wednesday, etc).If the number is less than 1 or greater than 7, the function should return null.Note: Store the days of the week in the array.

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