Q
What does the onload event ensure before drawing an image on the canvas?

Answer & Solution

Answer: Option B
Solution:
The onload event 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)

How do you draw a cropped portion of an image using drawImage?

A). drawImage(img, 50, 50, 100, 100, 0, 0, 100, 100)

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

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

D). drawImage(img, 100, 100)

What does the src attribute of an image element specify in HTML?

A). Source of the image

B). Size of the image

C). Type of the image

D). Width of the image

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

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 target position on the canvas?

A). x, y

B). tx, ty

C). position

D). targetPosition

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

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

How do you display an entire image on the canvas using drawImage?

A). drawImage(img, 0, 0)

B). drawImage(img, 100, 100)

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

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

What is the purpose of the src attribute in an image element in HTML?

A). Specifies the source of the image

B). Specifies the size of the image

C). Specifies the type of the image

D). Specifies the width of the image