Run results for: eval vs parseInt vs Number vs JSON.parse

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Test name

Executions per second

✓ short Number class call

10,173,250 Ops/sec

long Number class call

10,012,018 Ops/sec

short parseInt()

9,848,480 Ops/sec

short JSON.parse

7,126,112 Ops/sec

long parseInt()

4,765,408 Ops/sec

short eval()

4,667,687 Ops/sec

long eval()

4,587,144 Ops/sec

long JSON.parse

3,561,026 Ops/sec

Tests:

long eval()
eval("99999999999999999999999999999999999999999999999999999999999999999999999999");
long parseInt()
parseInt("99999999999999999999999999999999999999999999999999999999999999999999999999");
short eval()
eval("999");
short parseInt()
parseInt("999");
short Number class call
Number('999');
long Number class call
Number('99999999999999999999999999999999999999999999999999999999999999999999999999');
short JSON.parse
JSON.parse('999');
long JSON.parse
JSON.parse('99999999999999999999999999999999999999999999999999999999999999999999999999');