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

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 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 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)

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

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)

Which method is used to load an image in HTML5 canvas?

A). loadImage()

B). createImage()

C). Image()

D). new Image()

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

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

A). The canvas is ready

B). The image is fully loaded

C). The browser is open

D). The canvas size is set