Run results for: Function Comparison

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) snap Chromium/79.0.3945.117 Chrome/79.0.3945.117 Safari/537.36

Browser: Chromium 79

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Function A	339192.1 Ops/sec
Function B	315855.1 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

function formatNode(data) {
    return data.map(row => {
        const {
            id,
            label,
            ...properties
        } = row;
        return {
            id,
            label,
            properties: _.mapValues(properties, v => _.first(v))
        };
    });
}

function format(data) { return data.map(row => formatt(row)) }
function formatt({id, label, ...properties}) {
    return {
        id, label,
        properties: _.mapValues(properties, v => _.first(v))
    }
}

Tests:

Function A
const input = [{ id: 1, label: 'label 1', property_1: ['prop_1'], property_2: ['prop_2'] }, { id: 2, label: 'label 2', property_3: ['prop_3'], property_4: ['prop_4'] } ] const funcA_res = formatNode(input)
Function B
const input = [{ id: 1, label: 'label 1', property_1: ['prop_1'], property_2: ['prop_2'] }, { id: 2, label: 'label 2', property_3: ['prop_3'], property_4: ['prop_4'] } ] const functB_res = format(input)

Run results for: Function Comparison

Function A

Function B