Q
What does the clearRect method do in Canvas?

Answer & Solution

Answer: Option B
Solution:
The clearRect method in Canvas is used to clear a specified rectangular area, allowing for dynamic content changes.
Related Questions on Average

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 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

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 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

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

A). A. fillStyle

B). B. strokeStyle

C). C. lineWidth

D). D. globalAlpha

Which method is used to draw an image onto a Canvas element?

A). A. drawImage

B). B. addImage

C). C. createImage

D). D. loadImage

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 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

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

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