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

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

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

A). A. 3d

B). B. webgl

C). C. 2d

D). D. canvas

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

How does Canvas handle text rendering?

A). A. As vector-based text

B). B. As bitmap-based text

C). C. Using external font libraries

D). D. Text cannot be rendered on 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 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 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

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

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

A). A. Using drawCircle method

B). B. Using drawArc method

C). C. Circles cannot be drawn directly

D). D. Using arc method

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