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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Test name

Executions per second

✓ short Number class call

18,573,480 Ops/sec

short parseInt()

18,481,586 Ops/sec

long Number class call

18,391,758 Ops/sec

short JSON.parse

14,003,752 Ops/sec

long parseInt()

8,167,827 Ops/sec

long eval()

7,459,306 Ops/sec

short eval()

6,316,419 Ops/sec

long JSON.parse

5,838,592 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');