Duke_prework.md

1711 Prework for Mike Duke

https://codepen.io/aithon/pen/MOEJQP

Chap 16 HTML and CSS questions:

1. The benefit of specifying height and width of any image is so that the browser will render the image correctly as it loads. However, the benefit of using CSS over HTML to specify this is so that a class of images can be created and all images in that class can be specified at once.
2. A sprite is a single image used for several different parts of an interface. This is useful because the browser only needs to load the one image for several uses, thus speeding up load times.

Chap 1 and 2 Eloquent JavaScript questions:

1. In JavaScript, a number is just a number. It's presented in a statement without quotes. A string is a line of text, presented in quotes. Boolean data consists of true and false.
2. The three logical operators of JavaScript are: and, or, and not, represented by &&, ||, and !, respectively.
3. With the exception of some reserved words that JavaScript uses as keywords, a variable can be called almost anything. Typically, variable names are not capitalized, but multiple word names can be for clarity, though it is common to leave the first word uncapitalized. No spaces are allowed.
4. An expression is a fragment of code that produces a value. A statement is a complete instruction to be executed by the web browser.
5. With, Yield, Interface, Function, If, and False, are examples of reserved words in JavaScript. They are to be avoided for variable names because the language sees them as keywords that have meaning beyond whatever value given by the variable.
6. Control flow is the order in which JavaScript statements are executed--from top to bottom--which allows for predicability and consistency in execution.

Chap 3 Eloquent JavaScript Questions:

1. Typing "sayHello ()" will call the function, whereas typing "sayHello" will not.
2. The "return" keyword determines the value a function returns to the console.
3. Function Parameters are the names listed in the function definition. Like variables, but their values come from elsewhere.
4. Function names, like variable names, can be just about anything other than JavaScript's reserved names. However, it's also advisable to keep names short and concise in order to contribute to readability.

UI/UX Questions and websites:
Do clickable things look different than non-clickable things? YES: https://4rsmokehouse.com/
NO:
Do users think it looks good? Do they trust it immediately?: YES: http://www.cobbpediatric.com/
NO: http://www.suzannecollinsbooks.com/
Does it reduce anxiety? YES: https://www.airbnb.com/
NO: http://www.007museum.com/
How does this make them feel? GOOD: https://www.kindsnacks.com/
NOT GOOD: art.yale.edu
Could you solve this just as well with something more common?: NO: https://www.indeed.com/
YES: https://www.amazon.com/