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

Answer & Solution

Answer: Option A
Solution:
The onload event is used to ensure an image is fully loaded before drawing it on the canvas.
Related Questions on Average

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 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

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 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 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 target position on the canvas?

A). x, y

B). tx, ty

C). position

D). targetPosition

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

Which parameter of the drawImage method specifies the image source?

A). img

B). src

C). imageSource

D). source

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

How do you draw an image at coordinates (100, 100) on the canvas using drawImage?

A). drawImage(img, 100, 100)

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

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

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