Q
How can you draw a circle on a Canvas element using JavaScript?

Answer & Solution

Answer: Option D
Solution:
Circles can be drawn on a Canvas using the arc method with appropriate parameters for position and radius.
Related Questions on Average

How do you set the dimensions of a Canvas element in HTML?

A). A. Using size attribute

B). B. Using dimensions attribute

C). C. Using width and height attributes

D). D. Using scale attribute

How can you access a Canvas element in JavaScript?

A). A. Using getElementById

B). B. Using getElementsByClassName

C). C. Using getElementsByTagName

D). D. All of the above

What does the clearRect method do in Canvas?

A). A. Draws a rectangle with a clear color

B). B. Clears a specified rectangular area

C). C. Removes all elements from Canvas

D). D. Clears the entire Canvas

What does the getContext method do in Canvas?

A). A. Gets the element's context

B). B. Gets the 2D rendering context

C). C. Gets the Canvas size

D). D. Gets the Canvas ID

What happens if a browser does not support the element?

A). A. The Canvas is displayed with default settings

B). B. An error is shown

C). C. The Canvas is rendered as an image

D). D. It falls back to alternative content

What is the purpose of the toDataURL method in Canvas?

A). A. To export Canvas data to a server

B). B. To convert Canvas content to an image URL

C). C. To resize the Canvas

D). D. To create a new Canvas

Which method is used to apply transformations like rotation or scaling on Canvas drawings?

A). A. rotate

B). B. scale

C). C. transform

D). D. applyTransform

What is the purpose of the Canvas getContext method?

A). A. To set the Canvas context

B). B. To get the rendering context

C). C. To change the Canvas size

D). D. To clear the Canvas

Which rendering context is commonly used for 2D graphics in Canvas?

A). A. 3d

B). B. webgl

C). C. 2d

D). D. canvas

Which property sets the fill color for drawing operations in Canvas?

A). A. fillStyle

B). B. strokeStyle

C). C. lineWidth

D). D. globalAlpha