Benchmark: Loop Comprasion - MeasureThat.net

Script Preparation code:

var MyArray = Array(1000).fill({
        description:
          'Creates a deep copy of source, which should be an object or an array.',
        myNumber: 123456789,
        myBoolean: true,
        jayson: {
          stringify:
            'JSON.stringify() method converts a JavaScript value to a JSON string....',
          parse: 'JSON.parse() method parses a JSON string...',
        },
      });

Tests:

chain forEach
MyArray.forEach((item)=>{ console.log(item.myNumber); });
for-in
for(const item in MyArray) { console.log(item.myNumber); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
chain forEach
for-in

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: one month ago)

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Mobile Safari/537.36

Browser/OS: Chrome Mobile 122 on Android

View result in a separate tab

Test name	Executions per second
chain forEach	56.9 Ops/sec
for-in	53.9 Ops/sec

Loop Comprasion (version: 0)

Comparing performance of: chain forEach vs for-in

Created: one month ago by: Guest

Jump to the latest result

chain forEach

for-in

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A