Answers for "javascript loop alternating from beginning and end"

1

javascript loop alternating from beginning and end

let arr = Array.from(Array(10).keys());
// arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

for (let i = (arr.length - 1), j = 0; i - j >= 0; i--, j++) {
    console.log(arr[i]);
    console.log(arr[j]);
}
// output:
// 9
// 0
// 8
// 1
// 7
// 2
// 6
// 3
// 5
// 4
Posted by: Guest on February-16-2021

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