Unit 6 Test

Identify the type of loop used in coding:

• Flippy do loop
• Do loop
• While loop
• Loop Loop

Define the purpose of a traversal in coding:

• To apply actions or commands to each element in a collection
• To terminate the execution of a program
• To eliminate all elements of a data structure
• To assign a constant value to all elements of a data structure

How can an element be added to the end of a list in JavaScript?

• Append
• Reomve
• Add
• Insert

Which type of loop is preferable when the number of iterations is predetermined?

• For loop
• While loop
• Repeat loop
• Do loop

What is the correct method to access the last element of a list in JavaScript?

• a. [.length-1]
• b. [.length]
• c. list(end)
• d. list.last()

Which coding construct is utilized to iterate a block of code multiple times?

• a. List
• b. Loop
• c. Function
• d. Variable

In JavaScript, which function is employed to determine the total number of elements in a list?

• a. .len
• b. .count
• c. .size
• d. .length

What is the significance of ++ in JavaScript?

• a. Increments the value of an element by 1
• b. Adds various elements together
• c. Removes elements from a data structure
• d. Combines different loops

Which approach is correct for declaring a list in JavaScript?

• a. Let x =
• b. Append x
• c. For loop x
• d. getColumn x

What is the purpose of the getColumn function?

• a. Converts a data table into a list
• b. Determines the number of columns in a data structure
• c. Removes tables from a list
• d. Appends column numbers to a data structure