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functions-and-variables-quiz's Introduction

Functions and Variables

???

Functions and Variables Quiz

Read through the code snippets carefully before answering the questions below. After you've read the code and corresponding question, we recommend testing your assumptions by running the code before answering. Repl.it is a good place to test each code snippet.

?: What does the following function call log to console:

function log() {
  console.log(greeting);
  var greeting = 'Hello!';
}
log();

( ) 'Hello!' (X) undefined ( ) 'undefined is not a function'

?: What does the following function call log to console:

log();
function log() {
  console.log(greeting);
  var greeting = 'Hello!';
}

( ) 'Hello!' (X) undefined ( ) 'undefined is not a function'

?: What does the following function call log to console:

log();
var log = function() {
  console.log(greeting);
  var greeting = 'Hello!';
}

( ) 'Hello!' ( ) greeting (X) undefined OR 'log is not a function'

?: What does the following function log to console:

function log(s) {
  var s = 'Mr. X';
  console.log(s);
}
log('Hello!');

( ) 'Hello!' (X) 'Mr. X' ( ) undefined ( ) 'undefined is not a function'

???

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functions-and-variables-quiz's Issues

Console returns undefined

When I type the following into the Chrome Console it returns 'undefined' which was the wrong answer for the quiz question #3. I selected undefined as that is what is returned in the console but the apparent correct answer for the question is 'log is not a function'

log(); var log = function() { console.log(greeting); var greeting = 'Hello!'; }

discusses dictionaries, but we haven't covered them at all

This will be the first time a student ever sees dictionaries in those last two questions

Questions

Q1) Maybe my JS is weak, but shouldn't this hoist greeting?

Perhaps it's the difference between running it in a js file and checking it in the console.

Q4) Answer is "log is not defined(…)" not "undefined is not undefined"

Layout is not correct with this lab

@pletcher something is not right with this markdown, see below for how this renders in my Chrome:

Incorrect quiz answer?

In the Functions and Variables Quiz, question 3 asserts that 'log is not a function' is the correct answer. However, when you copy and paste the code into the console, all that is returned is 'undefined'. Nowhere in the console does it log that "log is not a function". Here is the code in question:

log();
var log = function() {
console.log(greeting);
var greeting = 'Hello!';
}

if statements and you haven't gone over conditioanls yet

You have an if statement here, and you haven't covered conditionals yet

question 3

this is the functions and variables quiz ...the answer is wrong because it say that it is 'undefined' in console..
but the correct answer is coming up saying that 'log is not function'

Quiz seems to be in wrong place

This quiz mainly covers the concept of hoisting. So I think that this lesson/quiz should be moved to the end of the 'functions and scopes' section after the hoisting lesson.

Question #3

When I put the code into console and run it I get undefined, not 'log is not a function'.

Am I missing something?

Cant figure out the funkyFunction solution

I submitted the following:

var funkyFunction = function() {
return function() {
return "FUNKY!"
}
}

// We want 'funkyFunction' on the line below to return a function that returns "FUNKY!" -- how can we accomplish that?
// NOTE: To pass this final test, you only need to modify the code below this line.
var theFunk = funkyFunction ()

Not sure how to solve it

learn-co-curriculum / functions-and-variables-quiz Goto Github PK

functions-and-variables-quiz's Introduction

Functions and Variables

Functions and Variables Quiz

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