Views

Question 1

true/false Backbone views are used to tie models to the document.

Answer 1

TRUE

Question 2

Do views handle dom events or model events?

Answer 2

both

Question 3

How do you create views?

Answer 3

Extend Backbone.View Backbone.View.extend({});

Question 4

What associated DOM element do views have at all times?

Answer 4

.el

Question 5

How is a view defined?

Answer 5

It’s defined by the following…

Backbone.View.extend({
    tagName: 'li',
    id: 'anything-you-want',
    className: 'hello-world',
    attributes: {
        'data-value': 'hello'
    }
});

Question 6

How do you instantiate a view?

Answer 6

Views are instantiated by calling the constructor with the “new” keyword.

Question 7

What’s the simplest example of instantiating a Backbone View?

Answer 7

new Backbone.View();

Question 8

What will you normally pass to a view’s constructor?

Answer 8

a model

Question 9

What does el reference?

Answer 9

The views DOM element

Question 10

What is $el?

Answer 10

A cached jQuery wrapper around el

Question 11

true/false $el is not cached

Answer 11

false

Question 12

true/false Render is not a function that render’s the views element(.el)

Answer 12

false

Question 13

What should render usually return?

Answer 13

this

Question 14

How do you pass a model to a view?

Answer 14

Through the views constructor?

Question 15

What are the 3 arguments to the make method?

Answer 15

Element to make, attributes to set on the element, and the value of the element.

Question 16

How do you remove a View from the dom?

Answer 16

var v = new Backbone.View();

v.remove(); Just like jQueries remove basically.

Question 17

What is the declarative syntax to registering event handlers?

Answer 17

var FormView = Backbone.View.extend({
    events: {
        'click .clickable': 'handleClick' or function() { blah }
    },
    handleClick: function() {

} });

JQUERY
this.$(‘.clickable’).click(handleClick);

Question 18

Should you ever manipulate DOM elements that are not self-contained by the view?

Answer 18

no

Question 19

true/false - You should access DOM elements that the view does not own?

Answer 19

FALSE

Question 20

true/false - You should always pass the el to the constructor or self-updating view and not in the view iteslf.

Answer 20

TRUE