Benchmark: var vs let vs const performace

Tests:

const
const nums = [55, 21, 807, 41, 56, 66, 202]; for(var x = 0; x < nums.length; ++x) { console.log(nums[x]); }
2
const nums = [55, 21, 807, 41, 56, 66, 202]; for(let x = 0, l = nums.length; x < l; ++x) { console.log(nums[x]); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
const
2

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 YaBrowser/19.12.4.25 Yowser/2.5 Safari/537.36

Browser/OS: Yandex Browser 19 on Windows

View result in a separate tab

Test name	Executions per second
const	8734.1 Ops/sec
2	8249.0 Ops/sec

var vs let vs const performace (version: 0)

Comparing performance of: const vs 2

Created: 4 years ago by: Guest

Jump to the latest result

const

2

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A