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Input Code
JavaScript1
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Output
function calculateSum(arr) {
if (!arr || !Array.isArray(arr)) {
return 0;
}
let sum = 0;
for (let i = 0; i < arr.length; i++) {
sum += arr[i];
}
return sum;
}
// Fixed: Loop condition now uses < instead of <=
// Added: Input validation for null/undefinedIssues Found
ERRORLine 3
Off-by-one error: Loop condition uses <= instead of <
WARNINGLine 1
Missing input validation: Function doesn't check for null/undefined
INFOLine 2
Style: Consider using const instead of let for sum if not reassigning
