Task questions.txt

1. Write a JavaScript function to check whether an `input` is an array or not.
Test Data :
console.log(is_array('w3resource')); 
console.log(is_array([1, 2, 4, 0]));

Expected Output:-
false
true

2. Write a JavaScript function to clone an array.
Test Data :
console.log(array_Clone([1, 2, 4, 0])); 

Expected Output:-

[1, 2, 4, 0] 

3. Write a JavaScript function to get the first element of an array. Passing a parameter 'n' will return the first 'n' elements of the array.
Test Data : 
console.log(first([7, 9, 0, -2])); 
console.log(first([],3));
console.log(first([7, 9, 0, -2],3));
console.log(first([7, 9, 0, -2],6));
console.log(first([7, 9, 0, -2],-3));

Expected Output : 
7
[] 
[7, 9, 0] 
[7, 9, 0, -2] 
[] 

4. Write a simple JavaScript program to join all elements of the following array into a string.
Sample array : myColor = ["Red", "Green", "White", "Black"];

Expected Output : 
"Red,Green,White,Black"
"Red,Green,White,Black"
"Red+Green+White+Black"

5.There are two arrays with individual values, write a JavaScript program to compute the sum of each individual index value from the given arrays.
Sample array : 
array1 = [1,0,2,3,4];
array2 = [3,5,6,7,8];

Expected Output : 
[4, 5, 8, 10, 12]

6.Write a JavaScript function to remove a specific element from an array.

Test data :
console.log(remove_array_element([2, 5, 9, 6], 5));
[2, 9, 6]

7.Write a JavaScript function to generate an array of specified length, filled with integer numbers, increase by one from starting position.

Test Data :
console.log(array_range(1, 4)); 
[1, 2, 3, 4]

8. Write a JavaScript script to empty an array keeping the original. 

9. Write a JavaScript function to get nth largest element from an unsorted array. 

Test Data :
console.log(nthlargest([ 43, 56, 23, 89, 88, 90, 99, 652], 4));
89

10. Write a JavaScript function to get nth largest element from an unsorted array. 

Test Data :
console.log(nthlargest([ 43, 56, 23, 89, 88, 90, 99, 652], 4));
89