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?: Choose the best definition of scope in JavaScript.

( ) the functions that the browser 'knows about' by default ( ) variables and functions get 'hoisted' to the top ( ) the value of the variables defined inside a function (X) where declared variables and functions are visible

?: Variables declared with ___ are block-scoped:

( ) var (X) let ( ) function

?: Through its scope, a function:

(X) has access to all variables and functions declared in its enclosing scope. ( ) has access to all variables and functions declared only in its inner scope. ( ) has access to variables and functions declared anywhere. ( ) continues to move up the scope chain when it finds a matching identifier in the current scope.

?: In the code example below, what will myVar equal when function2() is run? That is, what will be logged?

const myVar = "Foo";
function function1() {
  const myVar = "Baz";
  console.log(myVar);
}
function function2() {
  const myVar = "Bar";
  function1();
}
function2();

(X) "Baz" ( ) "Foo" ( ) "Bar" ( ) undefined

?: How can a JavaScript event be defined on any DOM node?

(X) addEventListener() ( ) getElementById() ( ) querySelector() ( ) click()

?: Which of these is NOT an example of a JavaScript event?

( ) Submitting a form (X) Calling a javascript function in the global scope ( ) Pressing a key ( ) Scrolling in the browser window

?: Which variable keyword will be hoisted?

( ) let ( ) const ( ) def (X) var

?: Which of the following is NOT true about functions?

( ) functions contain a sequence of JavaScript statements. ( ) functions can be executed multiple times. (X) functions are always executed first. ( ) functions are objects.

?: Choose the version of this function that is the best example of generalization.

(X)

function volunteerTShirtOrder(name = "Unknown", size = "Any") {
  console.log(`${name} ordered a size ${size}`);
}

( )

function volunteerTShirtOrder(name, size) {
  let name = "Octavius";
  let size = "Large";
  console.log(`${name} ordered a size ${size}`);
}

( )

function volunteerTShirtOrder(x, y) {
  console.log(`${x} ordered a size ${y}`);
}

( )

function volunteerTShirtOrder(name, size) {
  let name = "Unknown";
  let size = "Any";
  console.log(`${name} ordered a size ${size}`);
}

?: The DOMContentLoaded event fires when:

( ) the CSS & JavaScript have finished loading. (X) the page's DOM is fully parsed. ( ) the page has begun loading. ( ) there is an error during the page load.

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