magazine ransom

magazine-ransom.js

/*
  Given the words in the magazine and the words in the ransom note, print Yes if he can replicate his ransom note exactly using whole words from the magazine; otherwise, print No.
  https://www.hackerrank.com/challenges/ctci-ransom-note?h_r=internal-search
*/

function magazineRansom(magazine, note) {
    magazine = magazine
        .split(' ')
        .reduce((map, word) => {
            if (!map[word]) {
                map[word] = 0;
            }
            map[word]++;

            return map;
        }, {});


    note = note.split(' ');

    for (let word of note) {
        if (typeof magazine[word] === 'number' && magazine[word] > 0) {
            magazine[word]--;
        } else {
            return "No";
        }
    }

    return "Yes";
}


console.log(magazineRansom('give me one grand today night', 'give one grand today'));