Notes

Question 1

____ is where the type is bound to the variable. Types are checked at compile time.

Answer 1

Static/Strong typing

Question 2

____ is where the type is bound to the value. Types are checked at run time.

Answer 2

Dynamic/Loosely typing

Question 3

Curly braces are used for

Answer 3

Grouping code blocks

Question 4

What does it mean that Javascript objects are mutable?

Answer 4

They are addressed by their reference, not by their value.

ie. x = 16, x points to 16 but isn’t equal to it.

Question 5

True or False? Making changes to the reference (ie. X) will change the object?

Answer 5

True

var person = {firstName ="Paul}
var x = person.age;
x.age = 10;

Question 6

True or false? Variables are mutable

Answer 6

False

Question 7

True or False? Methods are properties in Javascript

Answer 7

True

Question 8

How does this way of accessing a javascript object work?

x = “age”;person[x]

Answer 8

Accessing age of person x, but assigns it to variable x.

Question 9

___ is used to request data from a specified resource.

Answer 9

GET

Question 10

____ is used to send data to a server to create/update a resource.

Answer 10

POST

Question 11

Why bother with building an object, when you can use an array

Answer 11

Objects can have methods

Question 12

True or false?
console.log(person.firstName);
is equivalent to
x = "firstName";
console.log(person["x"));

Answer 12

True

Question 13

A method inside of an object is just another _____

Answer 13

property

Question 14

What is the “this” keyword?

Answer 14

Refers to the properties within the object itself.