Answer & Solution
Answer: Option B
Solution:
The clearRect method in Canvas is used to clear a specified rectangular area, allowing for dynamic content changes.
Q
What does the clearRect method do in Canvas?
Related Questions on Average
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
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
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 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
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
What is the primary purpose of the HTML
A). A. Embedding videos
B). B. Rendering graphics
C). C. Creating forms
D). D. Playing audio
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 method is used to draw an image onto a Canvas element?
A). A. drawImage
B). B. addImage
C). C. createImage
D). D. loadImage
What happens if a browser does not support the
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