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
*/


function eligibleStudents(arr){
  let finalArray =[];

  for(let i=0; i < arr.length; i++){ 
    for(let j=0; j< arr[i].length; j++){

       // console.log(arr[i][j]); //just to check output 

        if(arr[i][j] >= 8){
           finalArray.push(arr[i][0]);
        }
      
    }
    

  }
  return finalArray;
}





//console.log(eligibleStudents(attendances));
/* ======= 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"]
);