Benchmark: 闭包变量创建方式 iife vs function call

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

/*your preparation JavaScript code goes here
To execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/
async function globalMeasureThatScriptPrepareFunction() {
    // This function is optional, feel free to remove it.
    // await someThing();
}

Tests:

iife
const result = (() => { const x = i; return () => x * 2; })();
block
{ const x = i; const fn = () => x * 2; fn(); }
array function
const x = i; const fn = () => x * 2; fn();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
iife
block
array function

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36 Edg/143.0.0.0

Browser/OS: Chrome 143 on Mac OS X 10.15.7

View result in a separate tab

iife

179.1M/s

array function

115.5M/s

block

114.0M/s

View exact numbers

Test name	Executions per second
✓ iife	179,144,272 Ops/sec
array function	115,492,728 Ops/sec
block	113,996,568 Ops/sec

闭包变量创建方式 iife vs function call (version: 1)

Comparing performance of: `iife vs block vs array function`

Created: 6 months ago by: Registered User

Go to the latest result

iife

block

array function

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

闭包变量创建方式 iife vs function call (version: 1)

Comparing performance of: iife vs block vs array function

Created: 6 months ago by: Registered User

Go to the latest result

iife

block

array function

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `iife vs block vs array function`