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07_Day_Functions/07_day_functions.md
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@ -545,7 +545,7 @@ It Will be covered in other section.
### Exercises: Level 2 ### Exercises: Level 2
1. Linear equation is calculated as follows: _ax + by + c = 0_. Write a function which calculates value of a linear equation, _solveLinEquation_. 1. Linear equation is calculated as follows: _ax + by + c = 0_. Write a function which calculates value of a linear equation, _solveLinEquation_.
1. Quadratic equation is calculated as follows: _ax2 + bx + c = 0_. Write a function which calculates value or values of a quadratic equation, _solveQuadEquation_. 2. Quadratic equation is calculated as follows: _ax2 + bx + c = 0_. Write a function which calculates value or values of a quadratic equation, _solveQuadEquation_.
```js ```js
console.log(solveQuadratic()) // {0} console.log(solveQuadratic()) // {0}
@ -556,22 +556,22 @@ It Will be covered in other section.
console.log(solveQuadratic(1, -1, 0)) //{1, 0} console.log(solveQuadratic(1, -1, 0)) //{1, 0}
``` ```
1. Declare a function name _printArray_. It takes array as a parameter and it prints out each value of the array. 3. Declare a function name _printArray_. It takes array as a parameter and it prints out each value of the array.
1. Write a function name _showDateTime_ which shows time in this format: 08/01/2020 04:08 using the Date object. 4. Write a function name _showDateTime_ which shows time in this format: 08/01/2020 04:08 using the Date object.
```sh ```sh
showDateTime() showDateTime()
08/01/2020 04:08 08/01/2020 04:08
``` ```
1. Declare a function name _swapValues_. This function swaps value of x to y. 5. Declare a function name _swapValues_. This function swaps value of x to y.
```js ```js
swapValues(3, 4) // x => 4, y=>3 swapValues(3, 4) // x => 4, y=>3
swapValues(4, 5) // x = 5, y = 4 swapValues(4, 5) // x = 5, y = 4
``` ```
1. Declare a function name _reverseArray_. It takes array as a parameter and it returns the reverse of the array (don't use method). 6. Declare a function name _reverseArray_. It takes array as a parameter and it returns the reverse of the array (don't use method).
```js ```js
console.log(reverseArray([1, 2, 3, 4, 5])) console.log(reverseArray([1, 2, 3, 4, 5]))
@ -580,13 +580,13 @@ It Will be covered in other section.
//['C', 'B', 'A'] //['C', 'B', 'A']
``` ```
1. Declare a function name _capitalizeArray_. It takes array as a parameter and it returns the - capitalizedarray. 7. Declare a function name _capitalizeArray_. It takes array as a parameter and it returns the - capitalizedarray.
1. Declare a function name _addItem_. It takes an item parameter and it returns an array after adding the item 8. Declare a function name _addItem_. It takes an item parameter and it returns an array after adding the item
1. Declare a function name _removeItem_. It takes an index parameter and it returns an array after removing an item 9. Declare a function name _removeItem_. It takes an index parameter and it returns an array after removing an item
1. Declare a function name _sumOfNumbers_. It takes a number parameter and it adds all the numbers in that range. 10. Declare a function name _sumOfNumbers_. It takes a number parameter and it adds all the numbers in that range.
1. Declare a function name _sumOfOdds_. It takes a number parameter and it adds all the odd numbers in that - range. 11. Declare a function name _sumOfOdds_. It takes a number parameter and it adds all the odd numbers in that - range.
1. Declare a function name _sumOfEven_. It takes a number parameter and it adds all the even numbers in that - range. 12. Declare a function name _sumOfEven_. It takes a number parameter and it adds all the even numbers in that - range.
1. Declare a function name evensAndOdds . It takes a positive integer as parameter and it counts number of evens and odds in the number. 13. Declare a function name evensAndOdds . It takes a positive integer as parameter and it counts number of evens and odds in the number.
```sh ```sh
evensAndOdds(100); evensAndOdds(100);
@ -594,23 +594,23 @@ It Will be covered in other section.
The number of evens are 51. The number of evens are 51.
``` ```
1. Write a function which takes any number of arguments and return the sum of the arguments 14. Write a function which takes any number of arguments and return the sum of the arguments
```js ```js
sum(1, 2, 3) // -> 6 sum(1, 2, 3) // -> 6
sum(1, 2, 3, 4) // -> 10 sum(1, 2, 3, 4) // -> 10
``` ```
1. Writ a function which generates a _randomUserIp_. 15. Write a function which generates a _randomUserIp_.
1. Write a function which generates a _randomMacAddress_ 16. Write a function which generates a _randomMacAddress_
1. Declare a function name _randomHexaNumberGenerator_. When this function is called it generates a random hexadecimal number. The function return the hexadecimal number. 17. Declare a function name _randomHexaNumberGenerator_. When this function is called it generates a random hexadecimal number. The function return the hexadecimal number.
```sh ```sh
console.log(randomHexaNumberGenerator()); console.log(randomHexaNumberGenerator());
'#ee33df' '#ee33df'
``` ```
1. Declare a function name _userIdGenerator_. When this function is called it generates seven character id. The function return the id. 18. Declare a function name _userIdGenerator_. When this function is called it generates seven character id. The function return the id.
```sh ```sh
console.log(userIdGenerator()); console.log(userIdGenerator());
@ -705,4 +705,4 @@ It Will be covered in other section.
🎉 CONGRATULATIONS ! 🎉 🎉 CONGRATULATIONS ! 🎉
[<< Day 6](../06_Day_Loops/06_day_loops.md) | [Day 8 >>](../08_Day_Objects/08_day_objects.md) [<< Day 6](../06_Day_Loops/06_day_loops.md) | [Day 8 >>](../08_Day_Objects/08_day_objects.md)

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