JavaScript Control Structures Test Questions and Answers Latest Version Already Passed

JavaScript Control Structures Test
Questions and Answers Latest Version
Already Passed
What will `if ([] == false) { console.log("Yes"); } else { console.log("No"); }` print?

A) Yes

B) No

C) Error

D) Undefined


✔✔ A) Yes




Which statement is used to terminate a `switch` case execution?

A) `stop`

B) `break`

C) `return`

D) `exit`


✔✔ B) `break`




What will `for (;;) {}` do?


1

,A) Run indefinitely

B) Throw an error

C) Run once and stop

D) Execute only if a condition is specified


✔✔ A) Run indefinitely




What is the output of `if (null) { console.log("True"); } else { console.log("False"); }`?

A) True

B) False

C) Undefined

D) Error


✔✔ B) False




Which statement correctly skips an iteration in a `for` loop?

A) `continue;`

B) `skip;`

C) `break;`

D) `return;`


2

, ✔✔ A) `continue;`




Which of these is NOT a valid loop structure in JavaScript?

A) `for`

B) `do...while`

C) `repeat...until`

D) `while`


✔✔ C) `repeat...until`




What will `if (10 && 0) { console.log("Run"); } else { console.log("Skip"); }` print?

A) Run

B) Skip

C) Error

D) Undefined


✔✔ B) Skip




Which statement correctly defines an infinite loop?

A) `for (let i = 0; i < Infinity; i++) {}`


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