Question

HTML 5 Canvas

When drawing an arc, the sixth argument specifies ________.

       
the radius of the circle

       
the arc's starting angle in radians

       
the arc's ending angle in radians

       
the direction in which the arc's path is drawn

QUESTION

Which of the following statements is false?

       
A coordinate pair has both an x-coordinate (the horizontal coordinate) and a y-coordinate (the vertical coordinate).

       
The x-coordinate is the horizontal distance to the right from the left border of a canvas.

       
The y-coordinate is the vertical distance upward fro the bottom border of a canvas.

       
Coordinate space units are measured in pixels ("picture elements"), which are the smallest units of resolution on a screen.
  

QUESTION

You can change the transformation matrix (the coordinates) on the canvas using method ________ so that the center of the canvas becomes the point of origin with the x, y, values 0, 0.

       
transform

       
transpose

       
translate

       
scale

QUESTION

The canvas element's default width is ________.

       
300

       
150

       
0

       
100

QUESTION

The ________ attribute specifies the blur and color of a shadow.

       
shadowColor

       
shadowBlur

       
blur

       
both a and b

Answer 1

Question: When drawing an arc, the sixth argument specifies ______.

Answer: The direction in which the arc's path is drawn.

Question: Which of the following statements is false?

Answer: The y-coordinate is the vertical distance upward fro the bottom border of a canvas.

Question: The ________ attribute specifies the blur and color of a shadow.

Answer: Both a and b.

Both the attributes shadowColor and shadowBlur can be used.