JavaScript Loops Worksheet

Questions

Question 1

What is the difference between a while loop and a for loop?

A while loop will continue to repeat as long as a boolean expression evaluates to true. A for loop allows you to execute a code block a specific number of times.

Question 2

What is an iteration?

each time the code in the loop body executes is said to be an iteration.

Question 3

What is the meaning of the current element in a loop?

When looping through an array, the current element is the one that is processed within the body of the loop. This will change with each iteration of the loop.

Question 4

What is a 'counter variable'?

determines how many times the loop iterates.

Question 5

What does the break; statement do when used inside a loop?

terminates a loop before it completes all of its iterations.

Coding Problems

Coding Problems - See the 'script' tag below this h3 tag. You will have to write some JavaScript code in it.

Always test your work! Check the console log to make sure there are no errors.