7.3 Scope Koans created by smillaraaq - https://repl.it/HHlS/5

7.3 Scope Koans.js

var testOneMessage = "test failing";

function testOne(testOneMessage) {//every param becomes a new var local
  // Test One Restrictions: Do not declare any new variable with the var keyword
    // Do not reassign testOneMessage
  console.log("Test one: ", testOneMessage);
}

// Run test one
testOne("test succeeding");

var testTwoMessage = "test failing"; //could have just changed this message

function testTwo() {
  // Test Two Restrictions: Do not change any code in the body of this function
  helperFunc();
  console.log("Test two: ", testTwoMessage)
}

function helperFunc(a) {
  testTwoMessage = "test succeeding";
  return testTwoMessage; //does not need this line because i changed the global var value
}

// Run test two
testTwo()
console.log("Test Two: " + testTwoMessage);

var testThreeMessage = "test failing";

function testThree(testThreeMessage) {
  // Test Three Restrictions: Do not change any code in the body of this funciton
  // Type only a single character
  if (testThreeMessage) {
    testThreeMessage = "test succeeding";
  }

  function logMessage() {
    console.log("Test three: ", testThreeMessage || "test failing");
  }

  logMessage();
}

// Run test test three
testThree(1)


var testFourMessage = "test succeeding";

function testFour(msg) {
  // Test Four Restrictions: Delete only a single character anywhere in the body of this function
  // Do not make any other changes

  function innerFunc(msg) {
    msg = msg

    function doubleInner(msg) {
      testFourMessag = msg;
      return testFourMessage;
    }

    testFourMessage = doubleInner("test failing")
  }

  innerFunc(testFourMessage);

  msg = testFourMessage;
  console.log("Test four: ", testFourMessage)
}

// Run test four
testFour("test failing")