Q
How can you access a Canvas element in JavaScript?

Answer & Solution

Answer: Option A
Solution:
The correct method to access a Canvas element is using getElementById with the element's ID.
Related Questions on Average

Which property sets the line style (width and style) for drawing operations in Canvas?

A). A. lineWidth

B). B. lineStyle

C). C. strokeStyle

D). D. borderStyle

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

Which method is used to start a new path in Canvas for drawing shapes?

A). A. startPath

B). B. beginPath

C). C. newPath

D). D. createPath

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

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

How does Canvas handle transparency in drawings?

A). A. Through opacity settings

B). B. By using blending modes

C). C. Transparent pixels are not supported

D). D. Through CSS styles

Which event is commonly used to trigger drawing operations on a Canvas element?

A). A. click event

B). B. load event

C). C. hover event

D). D. submit event

Which of the following is true about Canvas compared to SVG?

A). A. Canvas is resolution-independent

B). B. Canvas is vector-based

C). C. Canvas is more suitable for static graphics

D). D. Canvas provides DOM access to drawn elements

What does the fillRect method do in Canvas?

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

B). B. Clears the Canvas

C). C. Draws a circle

D). D. Draws a line