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

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

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

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

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 draw an image onto a Canvas element?

A). A. drawImage

B). B. addImage

C). C. createImage

D). D. loadImage

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 primary purpose of the HTML element?

A). A. Embedding videos

B). B. Rendering graphics

C). C. Creating forms

D). D. Playing audio

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 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