Test name | Executions per second |
---|---|
Number (with string integer) | 1981774.0 Ops/sec |
Unary + (with string integer) | 2848016.8 Ops/sec |
parseInt (with string integer) | 1957631.1 Ops/sec |
Number (with string float) | 1136525.4 Ops/sec |
Unary + (with string float) | 1436460.2 Ops/sec |
parseInt (with string float) | 1290166.4 Ops/sec |
Number (with integer) | 2097251.2 Ops/sec |
Unary + (with integer) | 3062865.5 Ops/sec |
parseInt (with integer) | 2009013.1 Ops/sec |
Number (with float) | 2913221.2 Ops/sec |
Unary + (with float) | 5494483.0 Ops/sec |
parseInt (with float) | 2627235.0 Ops/sec |
Number (with NaN) | 5790934.0 Ops/sec |
Unary + (with NaN) | 1260127232.0 Ops/sec |
parseInt (with NaN) | 5324194.5 Ops/sec |
var numberStrInt = Number(Math.floor(1000 * Math.random()).toString());
var unaryStrInt = +Math.floor(1000 * Math.random()).toString();
var parseStrInt = parseInt(Math.floor(1000 * Math.random()).toString(), 10);
var numberStrFloat = Number((1000 * Math.random()).toString());
var unaryStrFloat = +(1000 * Math.random()).toString();
var parseStrFloat = parseInt((1000 * Math.random()).toString(), 10);
var numberNumInt = Number(Math.floor(1000 * Math.random()));
var unaryNumInt = +Math.floor(1000 * Math.random());
var parseNumInt = parseInt(Math.floor(1000 * Math.random()), 10);
var numberNumFloat = Number(1000 * Math.random());
var unaryNumFloat = +(1000 * Math.random());
var parseNumFloat = parseInt((1000 * Math.random()), 10);
var numberNaN = Number("hello");
var unaryNaN = +("hello");
var parseNaN = parseInt("hello", 10);