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- "use strict"
- /*
- *Задаем массивы
- *добавляем функцию для создания укороченного массива
- *вывод функции
- */
- let arr = [5,3,8,1,];
- let newArr = []
- function filterRange(arr, a, b) {
- let aLength, bLength;
- for (let key in arr ) {
- if (a == arr[key]) { aLength = +key; if (bLength > 0){ break;};}
- if (b == arr[key]) { bLength = +key; if (aLength > 0){ break;};}
- }
- if (aLength > bLength) {
- aLength = aLength + bLength;
- bLength = aLength - bLength;
- aLength = aLength - bLength;
- }
- return arr.slice(aLength,bLength+1);
- }
- newArr = filterRange(arr,1,3);
- alert(newArr);
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