Web 103 Mid-Semester Review | Baamboozle - Baamboozle

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

=> (equals sign, greater-than sign)

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

for

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

False

When this code runs, what message will appear?

"I am 7 years old!"

What will be alerted when this code runs?

Timmy is an average kid

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?

110

Which function will grab a full HTML element in JavaScript?

document.querySelector

What will be alerted when this code runs?

5

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

True

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

2

Which HTML element can add a picture to a webpage?

<img>

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

character.age = 9;

Convert this function into an arrow function

x => x+1

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

addEventListener

Which keyword is used to create variables?

let

What will be alerted when this code runs?

7

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

3

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

the body

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

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

Which function will create a new HTML element in JavaScript?

document.createElement

Convert this function into an arrow function

() => 5