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Run results for:
Number() vs parseFloat()
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36 Edg/135.0.0.0
Browser:
Chrome 135
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Number
189793184.0 Ops/sec
parseFloat
15380018.0 Ops/sec
String concat1
58367644.0 Ops/sec
String concat2
2823470.8 Ops/sec
Script Preparation code:
const a = 1; const b = 2;
Tests:
Number
var number = Number('0.54'); var number2 = Number('1.24');
parseFloat
var parse = parseFloat('0.54'); var parse2 = parseFloat('1.24');
String concat1
var parse = Number(`${a}.${b}`); var parse2 = Number(`${a}.${b}`);
String concat2
var parse = Number(a + '.' + b); var parse2 = Number(a + '.' + b);
-0
var parse = '0.54' - 0; var parse2 = '1.24' - 0;
*1
var parse = '0.54' * 1; var parse2 = '1.24' * 1;