3-function-output.js

// Add comments to explain what this function does. You're meant to use Google!

//returen random number between 0 ans 9.99
function getNumber() {
  return Math.random() * 10;
}

// Add comments to explain what this function does. You're meant to use Google!

// this function takes one array and merges into another
// if first parameter w1 is a string, then it will do just a string concatenation
function s(w1, w2) {
  return w1.concat(w2);
}

function concatenate(firstWord, secondWord, thirdWord) {
  // Write the body of this function to concatenate three words together
  // Look at the test case below to understand what to expect in return
  return `${firstWord} ${secondWord} ${thirdWord}`;
}

/* ======= TESTS - DO NOT MODIFY ===== 
There are some Tests in this file that will help you work out if your code is working.

To run these tests type `node 3-function-output` into your terminal
*/

function test(test_name, expr) {
  let status;
  if (expr) {
    status = 'PASSED';
  } else {
    status = 'FAILED';
  }

  console.log(`${test_name}: ${status}`);
}

test(
  "concatenate function - case 1 works",
  concatenate('code', 'your', 'future') === 'code your future'
);
test(
  "concatenate function - case 2 works",
  concatenate('I', 'like', 'pizza') === 'I like pizza'
);
test(
  "concatenate function - case 3 works",
  concatenate('I', 'am', 13) === 'I am 13'
);