Module-One-Final-Assessment/problems/countNumbers.js at 23857a08da68027d5c590b0c412dc7c1ec0fe19a · joinpursuit/Module-One-Final-Assessment · GitHub

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/**
 * Count all the numbers in an array
 *
 * @param {number[]} arr - An array containing numbers
 * @returns {object} - an object where the key is the number, and the value is the count of that number
 *
 * ex: countNumbers([1,1,1,2,2,3,4])
 * returns { 1:3, 2:2, 3:1, 4:1 }
 */

function countNumbers(arr) {
    const output = {};
    arr.forEach(el => {
        if (output[el]) {
            output[el] += 1;
        } else {
            output[el] = 1;
        }
        console.log(output)
    })
    return output
}


//     let count = {}
//     for (let i = 0; i < arr.length; i++) {
//         const el = arr[i];
//         if (count[el]) {
//             count[el] += 1
//         } else {
//             count[el] = 1;

//         }
//     }

//     return count;

// }


module.exports = countNumbers