HTML5 HTML5 Canvas and Graphics 2

Question 1

Which method is called to render the current path as a filled shape on the canvas?

Accepted Answer

fill()

Answer

paint()

Answer

render()

Answer

draw()

Question 2

What does the canvas stroke() method do?

Accepted Answer

Draws the outline of the current path using strokeStyle

Answer

Fills the path with a gradient

Answer

Clears the current path

Answer

Adds a shadow to shapes

Question 3

Which canvas method draws an image onto the canvas?

Accepted Answer

drawImage()

Answer

renderImage()

Answer

paintImage()

Answer

addImage()

Question 4

What does the canvas save() method do?

Accepted Answer

Saves the entire state of the canvas context to a stack

Answer

Saves the canvas as an image file

Answer

Stores the current path

Answer

Exports the canvas to PNG

Question 5

The canvas rotate() method rotates the canvas by:

Accepted Answer

An angle specified in radians

Answer

An angle specified in degrees

Answer

A percentage of a full rotation

Answer

A number of canvas grid units

Question 6

Which HTML5 technology is better suited for high-performance 3D rendering in the browser?

Accepted Answer

WebGL via canvas getContext('webgl')

Answer

SVG with CSS transforms

Answer

Canvas 2D context

Answer

CSS 3D transforms alone

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