javascript-loops

Question 1

What is the purpose of a loop?

Answer 1

To perform something over and over so you don’t have to write code for again.

Question 2

What is the purpose of a condition expression in a loop

Answer 2

So a loop doing go on infinitely and knows when to stop

Question 3

what does iteration mean in the context of loops.

Answer 3

Each cycle of a loop

Question 4

When does the condition expression of a while loop get evaluation

Answer 4

Evaluated before each loop

Question 5

When does the initialization expression of a for loop get evaluated?

Answer 5

Once before the loop begins

Question 6

When does the condition expression of a for loop get evaluated?

Answer 6

Before each loop iteration

Question 7

When does the final expression of a for loop get evaluated?

Answer 7

At the end of the loop iteration, before the condition is evaluated again.

Question 8

Besides a return statement, which exits its entire function block, which keyword exits a loop before its condition expression evaluates to false?

Answer 8

break

Question 9

What does the ++ increment operator do?

Answer 9

Increment the variable by 1

Question 10

How do you iterate through the keys of an object?

Answer 10

for in statement