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function ransomNote(noteStr, articleStr) {

const noteArr = noteStr.split(' ');

const articleArr = articleStr.split(' ');

let articleObj = {};

let result = true;

articleArr.forEach(word => {

if (!articleObj[word]) {

articleObj[word] = 0;

}

articleObj[word]++;

})

noteArr.forEach(word => {

if (articleObj[word] > 0) {

articleObj[word]--;

} else {

result = false;

}

})

return result;

}

const str = 'Given an arbitrary ransom note string and another string containing letters from all the magazines';

console.log(ransomNote('ransom note', str));

console.log(ransomNote('ransom note note', str));