Добавляет вопрос для собеседования в статью Массив
#5597
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vitya-ne
added
js
|
Оказалось проще чем я думал SpoilerСначала думал нужно пройтись по массиву и проверять наличие ключа
Но оказалось итератор идёт только по существующим ключам. А значит всё вообще изи const getFilledAmount = (items) => items.reduce(amount => ++amount, 0)
const getEmptyAmount = (items) => items.length - getFilledAmount(items) |
solarrust
reviewed
Dec 16, 2024
Co-authored-by: Alena Batitskaia <[email protected]>
TatianaFokina
approved these changes
Dec 16, 2024
Co-authored-by: Tatiana Fokina <[email protected]>
Превью контента из cce1fcb опубликовано. |
solarrust
approved these changes
Dec 17, 2024
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Описание
В статье упоминается разрежённый массив.
Вопрос позволит раскрыть понимание темы работы с массивами имеющими
empty slotsCloses #5589
Чек-лист
/css/color/,/tools/json/,/tools/gulp/#kak-ponyat)images/example.png,demos/example/,../demos/example/)