lodash.get vs destructuring wrapped in try catch vs unsafe destructuring (node 6.9.4)

test-destructuring-safe.js

'use strict';

const lodash = require('lodash');

function getObj() {
    return {
        prop1: {
            0: { },
            1: null,
            2: {
                key: 'value'
            }
        }
    }
}

const start = process.hrtime();

for (let i = 0; i < 10000; i++) {
    const num = 2;
    try {
        const {
            prop1: {
                [num]: {
                    key
                }
            }
        } = getObj();
    } catch(e) {
        console.error(e);
    }
}

const end = process.hrtime(start);

console.info("Execution time (hr): %ds %dms", end[0], end[1]/1000000);

console.log('test complete');

/*
Execution time (hr): 0s 4.17709ms
test complete
Execution time (hr): 0s 3.986169ms
test complete
Execution time (hr): 0s 3.844447ms
test complete
Execution time (hr): 0s 3.785207ms
test complete
Execution time (hr): 0s 3.964295ms
test complete
Execution time (hr): 0s 3.829094ms
test complete

*/

test-destructuring-unsafe.js

'use strict';

const lodash = require('lodash');

function getObj() {
    return {
        prop1: {
            0: { },
            1: null,
            2: {
                key: 'value'
            }
        }
    }
}

const start = process.hrtime();

for (let i = 0; i < 10000; i++) {
    const num = 2;
    const {
        prop1: {
            [num]: {
                key
            }
        }
    } = getObj();
}

const end = process.hrtime(start);

console.info("Execution time (hr): %ds %dms", end[0], end[1]/1000000);

console.log('test complete');

/*
Execution time (hr): 0s 7.521536ms
test complete
Execution time (hr): 0s 6.068653ms
test complete
Execution time (hr): 0s 6.074837ms
test complete
Execution time (hr): 0s 6.061937ms
test complete
Execution time (hr): 0s 6.310838ms
test complete
Execution time (hr): 0s 6.040864ms
test complete
Execution time (hr): 0s 6.223818ms
test complete
Execution time (hr): 0s 6.35524ms
test complete

*/

test-get.js

'use strict';

const lodash = require('lodash');

function getObj() {
    return {
        prop1: {
            0: { },
            1: null,
            2: {
                key: 'value'
            }
        }
    }
}

const start = process.hrtime();

for (let i = 0; i < 10000; i++) {
    const num = 2;
    const prop = lodash.get(getObj(), ['prop1', num, 'key']);
}

const end = process.hrtime(start);

console.info("Execution time (hr): %ds %dms", end[0], end[1]/1000000);

console.log('test complete');

/*
Execution time (hr): 0s 11.988349ms
test complete
Execution time (hr): 0s 14.576332ms
test complete
Execution time (hr): 0s 12.101122ms
test complete
Execution time (hr): 0s 14.44793ms
test complete
Execution time (hr): 0s 13.044243ms
test complete

*/