Js Good Stuff (Chapter 4)

Front 1

What are the two hidden properties that a function is created with?

Back 1

1. The functions context

2. The code that implements the function's behavior

Front 2

Can functions be passed as an argument for another function?

Back 2

Yes

Front 3

What is a method

Back 3

A subroutiene associated with the object of a class that defines the interface through which outside members of the class (other objects) can access it's private members (encapsulated data)

Front 4

What is a function literal?

Back 4

An expression that defines an un-named function

Front 5

What four parts compose a function literal?

Back 5

1. Reserved word "function"

2. function's name (optional... user-defined)

3. the function's parameters wrapped in "()"

4. the set of statements wrapped in "{};"

Front 6

What is "closure"?

Back 6

A function object created by a function literal contains a link to the outer context. Example:

function init() {

name = "Taylor";

function displayName(){

console.log(name);

}

};

Front 7

Every function receives two additional parameters. What are they?

Back 7

"this" and "arguments"

Front 8

What is "invocation" in JS?

Back 8

Invocation literally invokes a function.

Front 9

What are the four patterns of invocation in javascript?

Back 9

1. The Method Invocation Pattern

2. The Function Invocation Pattern

3. The Constructor Invocation Pattern

4. The Apply Invocation Pattern

Front 10

The Method Invocation Pattern

Back 10

When a function is stored as a property of an object, we call it a method.

var object = {

name: "taylor",

nameproducer: function (name) {

//some function statement

}

}