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devmentor-pl
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Feb 20, 2026
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Magdo,
Zostawiłem jedynie jedną drobną uwagę ;) 👍
| } else { | ||
| console.log(`${el} jest mniejsze od 20`); | ||
| } | ||
| }); |
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| /* rozwiązanie z pętlą while */ No newline at end of file | ||
| console.log(`${text} = ${result}`); | ||
| } |
| return [intNum1, intNum2, intNum3] | ||
| .sort((a, b) => a - b) | ||
| .slice(-2) | ||
| .reduce((acc, curr) => acc + curr, 0); |
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| function getAvg(array) { | ||
| return array.reduce((acc, curr) => acc + curr, 0) / array.length; | ||
| } |
05/app.js
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| for (const sub in this.grades) { | ||
| newArr.push(...this.grades[sub]); | ||
| } | ||
| return Number((newArr.reduce((acc, curr) => acc + curr, 0) / newArr.length).toFixed(2)); |
Owner
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Tutaj mamy dość podobny kod do tego z linii 26. Warto napisać wspólną metodę/funkcję i ją wykorzystać w obu miejscach.
devmentor-pl
approved these changes
Feb 23, 2026
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devmentor-pl
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Magdo,
Super, o to chodziło! 👍
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| Student.prototype.calculateAverage = function (arr) { | ||
| return Number((arr.reduce((acc, curr) => acc + curr, 0) / arr.length).toFixed(2)); | ||
| }; |
Owner
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Zdecydowanie lepiej! Teraz jak będzie trzeba obliczać inaczej średnią - np. podawać 3 miejsca po przecinku to nie będzie to żaden problem. Najważniejsze, że taka zmiana będzie dotyczyć tylko jednego miejsca i zawsze staramy się do tego dążyć.
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