fns-and-scope.js

//Once you complete a problem, open up Chrome and check the answer in the console.


var name = 'Tyler';
//Create a function called isTyler that accepts name as it's only parameter.
//If the argument you passed in is equal to 'Tyler', return true. If it's not, return false.

  //Code Here
  function isTyler(name) {
    if(name === "Tyler") {
      return true;
    }else {
      return false;
    }
}

//Next problem



//Create a function called getName that uses prompt() to prompt the user for their name, then returns the name.


  //Code Here
function getName () {
  console.log("hi");
  var yourName = prompt("What is your name?");
  return yourName;
}


//Next Problem



//Create a function called welcome that uses your getName function you created in the previous problem to get the users name,
//then alerts "Welcome, " plus whatever the users name is.

  //Code Here
function welcome() {
  var name = getName()
  alert("Welcome, " + name);
}
//Next problem




//What is the difference between arguments and parameters?

  //Answer Here
//Parameters are placeholders. Arguments are the data that is passed in, in place of the parameter

//Next problem



//What are all the falsy values in JavaScript and how do you check if something is falsy?


  //Answer Here
//fals, null, undefined, 0, Nan, ''


//Next Problem



//Create a function called myName that returns your name

  //Code Here
function myName() {
  return "Mike";
}


//Now save the function definition of myName into a new variable called newMyName

  //Code Here
var newMyName = myName;
//Now alert the result of invoking newMyName



//Next problem



//Create a function called outerFn which returns an anonymous function which returns your name.

  //Code Here
function outerFn() {
  return function() {
    return "Mike";
  }
}//Now save the result of invoking outerFn into a variable called innerFn.

  //Code Here
var innerFn = outerFn();
//Now invoke innerFn.