14 lines
391 B
JavaScript
14 lines
391 B
JavaScript
function sumArray(arr) {
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// Base case: when the array is empty, return 0
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if (arr.length === 0) {
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return 0;
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}
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// Recursive case: add the first element to the sum of the rest of the array
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return arr[0] + sumArray(arr.slice(1));
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}
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// Test cases
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console.log(sumArray([1, 2, 3, 4, 5])); // => 15
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console.log(sumArray([10, -2, 33, 47])); // => 88
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console.log(sumArray([])); // => 0
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