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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Test name

Executions per second

✓ short Number class call

8,487,824 Ops/sec

short parseInt()

8,291,588 Ops/sec

long Number class call

8,288,548 Ops/sec

short JSON.parse

6,232,103 Ops/sec

short eval()

4,092,912 Ops/sec

long eval()

4,008,246 Ops/sec

long parseInt()

3,457,208 Ops/sec

long JSON.parse

2,730,742 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');