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 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 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 is the primary purpose of the HTML <canvas>
element?
A). A. Embedding videos
B). B. Rendering graphics
C). C. Creating forms
D). D. Playing audio
What happens if a browser does not support the <canvas>
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
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
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
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
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
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