WGU C777 UNIT 4: HTML5 APIS 2024 QUESTIONS
AND ANSWERS GRADED A
application programming interface (API)
What is a collection of standards and programming instructions that enable access to
a software application?
Canvas API
Which API is used for rendering visual images on the fly via scripting?
<canvas>
Which element is a transparent container for graphics?
height and width
What two attributes does the <canvas> element have?
rectangle
What primitive shape does canvas support?
Document Object Model (DOM)
What is the standard specifying how objects in a Web document can be referred to
and manipulated?
JavaScript
Which language is used to access HTML elements via the DOM?
getContext()
Which method returns a context object, which provides properties and methods that
can be used to draw and manipulate images on the canvas?
fillRect(x,y,width,height)
Which method draws a filled rectangle?
strokeRect(x,y,width,height)
Which method draws a rectangular outline?
clearRect(x,y,width,height)
Which method clears the specified area and makes it fully transparent?
beginPath()
Which method begins a drawing path or resets the current path?
closePath()
Which method ends the current drawing path?
moveTo(x,y)
Which method moves the drawing pointer to a specified position?
arc(x,y,radius,startAngle,endAngle,anticlockwise)
Which method draws a curving line with a center, a given radius, a starting and
ending angle (in radians), and instruction to draw in a clockwise or counterclockwise
direction?
lineTo(x,y)
Which method draws a straight line from the current drawing position to the specified
position?
stroke()
Which method adds a line to the path drawn?
fill()
Which method fills the area with the color set by the fillStyle property?
fillStyle
Which property sets the fill color or style?
AND ANSWERS GRADED A
application programming interface (API)
What is a collection of standards and programming instructions that enable access to
a software application?
Canvas API
Which API is used for rendering visual images on the fly via scripting?
<canvas>
Which element is a transparent container for graphics?
height and width
What two attributes does the <canvas> element have?
rectangle
What primitive shape does canvas support?
Document Object Model (DOM)
What is the standard specifying how objects in a Web document can be referred to
and manipulated?
JavaScript
Which language is used to access HTML elements via the DOM?
getContext()
Which method returns a context object, which provides properties and methods that
can be used to draw and manipulate images on the canvas?
fillRect(x,y,width,height)
Which method draws a filled rectangle?
strokeRect(x,y,width,height)
Which method draws a rectangular outline?
clearRect(x,y,width,height)
Which method clears the specified area and makes it fully transparent?
beginPath()
Which method begins a drawing path or resets the current path?
closePath()
Which method ends the current drawing path?
moveTo(x,y)
Which method moves the drawing pointer to a specified position?
arc(x,y,radius,startAngle,endAngle,anticlockwise)
Which method draws a curving line with a center, a given radius, a starting and
ending angle (in radians), and instruction to draw in a clockwise or counterclockwise
direction?
lineTo(x,y)
Which method draws a straight line from the current drawing position to the specified
position?
stroke()
Which method adds a line to the path drawn?
fill()
Which method fills the area with the color set by the fillStyle property?
fillStyle
Which property sets the fill color or style?
