4-eligible-students.js

/*
  Only students who have attended enough classes are eligible to sit an exam.

  Create a function which:
  - Accepts an array which contains all the students' names and their attendance counts
    (see tests to confirm how this data will be structured)
  - Returns an array containing only the names of the who have attended AT LEAST 8 classes
*/

//nested array [0] name [1] attendance, return array with just index [0] if [1] is >= 8
function eligibleStudents(attendancesArray) {
  let namesArray = [];
  for(let i= 0; i < attendancesArray.length; i++) {
    if (attendancesArray[i][1] >= 8) {
      namesArray.push(attendancesArray[i][0]);
    }  
  } return namesArray;
};



/* ======= TESTS - DO NOT MODIFY ===== */

const attendances = [
  ["Ahmed", 8],
  ["Clement", 10],
  ["Elamin", 6],
  ["Adam", 7],
  ["Tayoa", 11],
  ["Nina", 10]
]

const util = require('util');

function test(test_name, actual, expected) {
    let status;
    if (util.isDeepStrictEqual(actual, expected)) {
        status = "PASSED";
    } else {
        status = `FAILED: expected: ${util.inspect(expected)} but your function returned: ${util.inspect(actual)}`;
    }

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

test("eligibleStudents function works",
  eligibleStudents(attendances),
  ["Ahmed", "Clement", "Tayoa", "Nina"]
);