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Run results for:
function vs class
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=515129" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Browser:
Chrome 123
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
function declaration
740/s
function expression
712/s
class
502/s
View exact numbers
Test name
Executions per second
✓
function declaration
740 Ops/sec
function expression
712 Ops/sec
class
502 Ops/sec
Script Preparation code:
var arr = [];
Tests:
function declaration
function functionDeclaration(item) { arr.push(item); } for (let i = 1; i < 10000; i++) { functionDeclaration(i); }
function expression
var functionExpression = function(item) { arr.push(item); }; for (let i = 1; i < 10000; i++) { functionExpression(i); }
class
class Test { constructor(item) { this.item = item; } addItem(){ arr.push(this.item) } } for (let i = 1; i < 10000; i++) { new Test(i).addItem(); }