untitled notebook

node v14.20.1
version: 1.0.0
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function insertAtBegginingOfAnArray(arr, num) { if(arr.length === 0) return 0; for(let i = arr.length - 1; i >= 0; i--) { arr[i+1] = arr[i]; } arr[0] = num; return arr; } console.log(insertAtBegginingOfAnArray([23, 45, 56, 7, 99, 10], 11))
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