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)

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

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

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 does the height attribute of an image element specify in HTML?

A). Height of the image

B). Source of the image

C). Type of the image

D). Width of the image

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)

How do you display an image with dimensions 200x150 pixels on the canvas using drawImage?

A). drawImage(img, 0, 0, 200, 150)

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

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

D). drawImage(img, 100, 100, 200, 150)

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 does the onload event handler ensure in HTML5 canvas?

A). The canvas is fully loaded

B). The image is fully loaded

C). The canvas is ready

D). The browser is open

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

A). x, y

B). tx, ty

C). position

D). targetPosition