This repository has been archived by the owner on Aug 21, 2024. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
1 changed file
with
96 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| <style type="text/css">ol { list-style-type: upper-alpha; }</style> | ||
|
|
||
| # Quiz 9 | ||
|
|
||
| ## Problem 1 | ||
|
|
||
| > Which Web API can be used to determine if an element is visible in the | ||
| viewport? | ||
| > | ||
| > 1. Intersection Observer API | ||
| > 2. Geolocation API | ||
| > 3. Media Query API | ||
| > 4. Object Visiblity API | ||
| **A**. Intersection Observer API | ||
|
|
||
| ## Problem 2 | ||
|
|
||
| > The File Access API lets you read any file on a user's computer. | ||
| > | ||
| > 1. True | ||
| > 2. False | ||
| **B**. False | ||
|
|
||
| ## Problem 3 | ||
|
|
||
| > Canvas API is a vector drawing API | ||
| > | ||
| > 1. True | ||
| > 2. False | ||
| **B**. False | ||
|
|
||
| ## Problem 4 | ||
|
|
||
| > Where is the (0, 0) point on the HTML Canvas API by default? | ||
| > | ||
| > 1. top right | ||
| > 2. bottom left | ||
| > 3. top left | ||
| > 4. bottom right | ||
| **C**. top left | ||
|
|
||
| ## Problem 5 | ||
|
|
||
| > Which HTML Canvas API path method did I use to draw a circle in class? | ||
| > | ||
| > 1. bezierCurveTo | ||
| > 2. arc | ||
| > 3. circle | ||
| > 4. arcTo | ||
| **B**. arc | ||
|
|
||
| ## Problem 6 | ||
|
|
||
| > Fill or stroke style must be set before you call any drawing commands on the | ||
| context. | ||
| > | ||
| > 1. True | ||
| > 2. False | ||
| **A**. True | ||
|
|
||
| ## Problem 7 | ||
|
|
||
| > What is not true about the Indexed DB API? | ||
| > | ||
| > 1. Store and retrieve data based on keys | ||
| > 2. non-sal based | ||
| > 3. Asynchronous API | ||
| > 4. Can only store strings | ||
| **D**. Can only store strings | ||
|
|
||
| ## Problem 8 | ||
|
|
||
| > What shape will the following code create? | ||
| > | ||
| > ```js | ||
| > cx.fillStyle = rgb(233,233,233); | ||
| > cx.beginPath(); | ||
| > cx.moveTo(50, 10); | ||
| > cx.lineTo(10, 70); | ||
| > cx.lineTo(90, 70); | ||
| > cx.fill(); | ||
| > ``` | ||
| > | ||
| > 1. A red rectangle | ||
| > 2. A red square | ||
| > 3. A white triangle | ||
| > 4. A gray triangle | ||
| **D**. A gray triangle |