Comments (1)
The claim is partially true. The current implementation of the binary search algorithm in the JavaScript code does not explicitly handle the case where the target element is present multiple times in the sorted array. The algorithm will find the index of the target element if it exists in the array, but it does not specify which occurrence of the element it will return.
In the code snippet:
if (comparator.equal(sortedArray[middleIndex], seekElement)) {
return middleIndex;
}
If the target element is present multiple times, this condition will return the index of any occurrence of the element found during the search. It doesn't guarantee that it will return the first, last, or any specific occurrence of the element.
If handling duplicate elements in a specific way (e.g., returning the index of the first occurrence) is important for your use case, you might need to modify the binary search implementation accordingly. You could consider additional logic to determine how to handle duplicate elements based on your requirements.
So, while the claim is true in the sense that the provided implementation doesn't explicitly address the handling of duplicate elements, the behavior might still be acceptable depending on the context in which the binary search is used.
from javascript-algorithms.
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