JavaScript Conditionals

If isHungry equals true, which of the following expressions evaluates to true?

• !isHungry

• isHungry === false

• !isHungry === true

• isHungry !== false

What will the code block log to the console?

let needTacos = true;

if (needTacos) {

console.log("Finding tacos");

} else {

console.log("Keep on keeping on!");

}

• Keep on Keeping on!

• Finding tacos

What is the general purpose of a conditional statement?

• Conditional statements answer binary (yes-or-no) questions.

• Conditional statements evaluate code as either true or false

• Conditional statements make all computers capable of thought.

What will the code block log to the console?

let weather = "spring";

let clothingChoice = "";

if (weather === "spring") {

clothingChoice = "Put on rain boots.";

} else if (weather === "summer") {

clothingChoice = "Make sure to take your sunscreen.";

} else if (weather === "fall") {

clothingChoice = "Wear a light jacket.";

} else if (weather === 'winter') {

clothingChoice = "Wear a heavy coat.";

} else {

console.log('Invalid weather type.');

};

console.log(clothingChoice);

• Put on rain boots.

• Wear a light jacket.

• Make sure to take your sunscreen.

• Wear a heavy coat

What will the code block log to the console?

let groceryItem = "apple";

switch (groceryItem) {

case "tomato":

console.log("Tomatoes are $0.49");

break;

case "lime":

console.log("Limes are $1.49");

break;

case "papaya":

console.log("Papayas are $1.29");

break;

default:

console.log("Invalid item");

break;

}

• Tomatoes are $0.49

• Limes are $1.49

• Papayas are $1.29

• Invalid Item

What will the code block log to the console?

let runTime = 35;

let runDistance = 3.5;

if (runTime <= 30 && runDistance > 3.5) {

console.log("You're super fast!");

} else if (runTime >= 30 && runDistance <= 3) {

console.log("You're not making your pace!");

} else if (runTime > 30 || runDistance > 3) {

console.log("Nice workout!");

} else {

console.log("Keep on running!");

}

• Keep on running!

• You're super fast!

• You're not making your pace!

• Nice workout!

Which of the following variables contains a truthy value?

• let varTwo = false;

• let varOne = 'false';

• let varThree = 0;

• let varFour = '';

To make this statement valid, what operator belongs in the ___ space below?

if (coin ___ "heads") {

console.log('coin is heads!');

} else {

console.log('coin is tails...');

}

• =

• :=

• ===

• either = or ===

It is the order in which statements are executed in a program.

• Control Flow

• Variable

• Statement

What is the symbol used for logical operator OR?

• &&

• | |

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