Developer
ToolsJS Benchmark Builder
Run JavaScript code performance benchmarks in your browser
1K100K1M
Running...0%
Ops/sec
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Total Time
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Avg Time
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Error Margin
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// Write JavaScript code to benchmark
const a = 1 + 2;
How to use
Write JavaScript code in the editor, set the iteration count, and click Run. The tool executes your code N times and reports operations per second, total time, average time, and estimated margin of error.