javascript-loops Flashcards

1
Q

What is the purpose of a loop?

A

to repeat an action/code

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2
Q

What is the purpose of a condition expression in a loop?

A

sets the rules for the loop

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3
Q

What does “iteration” mean in the context of loops?

A

number of times the code runs

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4
Q

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

A

before each pass through the loop

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5
Q

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

A

once before the loop begins

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6
Q

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

A

before each loop iteration

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7
Q

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

A

end of each loop iteration

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8
Q

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

A

break will break out of loop but not out of function

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9
Q

What does the ++ increment operator do?

A

increments the value

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10
Q

How do you iterate through the keys of an object?

A

for in loop

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