Super 15 batch quiz

How do you write an if statement that executes some code if "i" is not equal to 5?

• a) if (i != 5)

• b) if i <> 5

• c) if i =! 5

• d) if (i <> 5)

Which of the following is the correct way to handle multiple conditions in an if statement?

• a) if (i < 5 && i > 0)

• b) if i < 5 and i > 0

• c) if (i < 5) and (i > 0)

• d) if (i < 5 & i > 0)

How does a for loop start?

• a) for (i = 0; i <= 5)

• b) for (i <= 5; i++)

• c) for i = 1 to 5

• d) for (i = 0; i <= 5; i++)

What is the purpose of a for...in loop?

• a) Iterating over array elements

• b) Iterating over object properties

• c) Iterating over both arrays and objects

• d) None of the above

What does a for...of loop iterate over?

• a) Object properties

• b) Array-like objects, iterables, and strings

• c) Numbers

• d) None of the above

Which of the following is a correct syntax for a for...in loop?

• a) for (let i in array)

• b) for (let i of array)

• c) for let i in array

• d) for (i in array)

How do you create an array in JavaScript?

• a) var array = "1,2,3,4"

• b) var array = 1,2,3,4

• c) var array = [1,2,3,4]

• d) var array = (1,2,3,4)

Which method adds a new element to the end of an array?

• a) push()

• b) pop()

• c) shift()

• d) unshift()

How can you find the length of an array?

• a) array.size()

• b) array.length

• c) array.count()

• d) array.index()

Which method removes the first element from an array?

• a) pop()

• b) shift()

• c) unshift()

• d) splice()