C5 Web Tech Quiz 1 (Practice)

Which tag below represents a canvas tag?

• <can> </can>

• <canvas> </canvas>

• <cvs> </cvs>

• <svg> </svg>

If you declare the following variable, how would you target it's context attribute?

var c = document.getElementById("myCanvas");

• var ctx = c.getContext("2d");

• var ctx = c.getDocument("2d");

• var ctx = c.getContextById("myCanvas");

• var ctx = c.getAttribute("myCanvas");

In the past, animations were performed using setTimeout() or setInterval(), which method has replace these two method as best option for animation?

• animation()

• requestFrame()

• animationFrame()

• requestAnimationFrame()

• keyFrame()

What is the default frame rate of window.requestAnimationFrame() method?

• 60 fps

• 30 fps

• 120 fps

• 90 fps

What is the official name of JavaScript?

• JavaScript

• ECMAScript

• TypeScript

• WebJava

JavaScript fits best under which category of languages?

• Object-driven

• Object-oriented

• Functional

• Procedural

The ________ method calls a function or evaluates an expression after a specified number of milliseconds.

• setTimeout()

• Date()

• console.time()

• functionRepeat()

Which main characteristic of a programming language distinguishes it from a scripting language?

• Programming languages are object-based, whereas scripting languages are object-oriented.

• Programming languages are developed by private organizations whereas scripting languages are open-source.

• Programming languages are compiled whereas scripting languages are interpreted.

• Programming languages are subsets of scripting languages and are interpreted.

What is the unit of measurement for the setTimeout() method?

• milliseconds

• seconds

• nanoseconds

• centiseconds

Which javaScript method below will draws a perfect circle?

• ellipse (80, 60, 100, 150);

• ellipse(80, 60, 100, 100);

• circle (80, 60, 80, 60):

• ellipse (80, 60, 150, 100);