Web 103 Mid-Semester Review | Baamboozle - Baamboozle

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The part of a function within curly brackets is called...

the body

How could you set the age of this character to be 9?

character.age = 9;

How many statements go between the parentheses in a for loop?

3

In the names array, "Jimothy" is at which index?

2

Which keyword is used to create variables?

let

Convert this function into an arrow function

() => 5

Which function will create a new HTML element in JavaScript?

document.createElement

What will be alerted when this code runs?

Timmy is an average kid

True or False: when defining a function, a name is always required

False

What will be alerted when this code runs?

5

Write code to map this array of objects into an array of prices, each discounted 50%

items.map(i => i.price/2)

When this code runs, what message will appear?

"I am 7 years old!"

What will be alerted when this code runs?

110

Which function will grab a full HTML element in JavaScript?

document.querySelector

True or False: In JavaScript, functions can be stored in variables

True

Which HTML element can add a picture to a webpage?

<img>

Which JavaScript function can hookup an event listener to an HTML element?

addEventListener

What is the first keyword needed to create a for loop?

for

Which two symbols create an "arrow" for function definitions in JavaScript?

=> (equals sign, greater-than sign)

Convert this function into an arrow function

x => x+1

Write code to filter this array so that it only includes family members who are less than 18 years old.

family.filter(m => m.age < 18)

What will be alerted when this code runs?

7