Finding Two Numbers That Sum to Target

Benchmark created on

Setup

let arr = [2, 7, 5, 4, 9, 12];
let target = 9;

function findDoubleSum(arr, target) {
    let numMap = new Map();
    for (let i = 0; i < arr.length; i++) {
        let compData = target - arr[i];
        if (numMap.has(compData)) {
            return [compData, arr[i]];
        }
        numMap.set(arr[i], i);
    }
    return null;
}

Teardown

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Testing in
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Multiple Executions
findDoubleSum(arr, target);
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фцыа
for (let i = 0; i < 1000; i++) {
    findDoubleSum(arr, target);
}
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