Q
What does the onload event handler ensure in HTML5 canvas?

Answer & Solution

Answer: Option B
Solution:
The onload event handler ensures that the image is fully loaded before drawing it on the canvas.
Related Questions on Average

How do you scale an image using drawImage?

A). drawImage(img, 0, 0, img.width / 2, img.height / 2)

B). drawImage(img, 0, 0, img.width, img.height)

C). drawImage(img, 100, 100, img.width / 2, img.height / 2)

D). drawImage(img, 0, 0, img.width, img.height)

What event is used to ensure an image is fully loaded before drawing it on the canvas?

A). onload

B). onready

C). onloaded

D). onimage

How do you draw an image at coordinates (200, 200) on the canvas with dimensions 300x200 pixels using drawImage?

A). drawImage(img, 200, 200, 300, 200)

B). drawImage(img, 0, 0, 300, 200)

C). drawImage(img, 0, 0, img.width / 2, img.height / 2)

D). drawImage(img, 100, 100, 300, 200)

What is the purpose of the new Image() method in HTML5 canvas?

A). To create a new canvas

B). To create a new image

C). To create a new context

D). To create a new element

What is the purpose of the drawImage method in HTML5 canvas?

A). To load images

B). To draw shapes

C). To display images

D). To animate images

Which parameter of the drawImage method specifies the height of the image to be drawn on the canvas?

A). img.height

B). height

C). img.height / 2

D). height / 2

Which parameter of the drawImage method specifies the target position on the canvas?

A). x, y

B). tx, ty

C). position

D). targetPosition

Which parameter of the drawImage method specifies the image source?

A). img

B). src

C). imageSource

D). source

Which parameter of the drawImage method specifies the width of the image to be drawn on the canvas?

A). img.width

B). width

C). img.width / 2

D). width / 2

How do you draw an image at coordinates (50, 50) with dimensions 150x100 pixels on the canvas?

A). drawImage(img, 50, 50, 150, 100)

B). drawImage(img, 0, 0, 150, 100)

C). drawImage(img, 0, 0, img.width / 2, img.height / 2)

D). drawImage(img, 100, 100, 150, 100)