#100 Devs - LwL - class 15

What are variables?

• They are ways to store data in the computer memory

• Data Buckets

• Boxes

• All are correct

How to declare and assign values to variables?

• let variableName = "this is a string"

• variableName = "this is a string"

Ways to assign values to a string type of variable?

• single quote', "double quote", or `backticks`

• single quote', "double quote"

What is the difference between === and ==

• Three equal signs compares type and value, and two equal signs compares only value

• Three equal signs compares only value, and two equal signs compares type and value

const age = 17

if (age >= 18){

console.log("you can get in")

} else if (age > 16) {

console.log("you're not quite ready")

}else {

console.log("You're too young")

}

What will this code return?

• "you're not quite ready"

• "you can get in"

• "You're too young"

const fishSpecies = "clownfish"

const inhabitat = "anemone"

if (fishSpecies === "clownfish" && inhabitat === "anemone"){

console.log("welcome home, nemo")

} else{

console.log("only clownfish is allowed in the anemone")

}

What will this return?

• "welcome home, nemo"

• "only clownfish is allowed in the anemone"

if (name === "leon" && hair ==="gorgeous"{ //run code } What must be true so the code runs?

• name must be Leon and hair must be gorgeous

• Either name must be Leon or hair must be gorgeous

What are functions?

• They are sets of instructions, that can be reused whenever called/run

• They are instructions to be used once

function add(??, ???){

// function body

}

• parameters

• arguments

add( ??, ???)

• arguments

• parameters