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Run results for:
Number() vs parseFloat()
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Run details:
User agent:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/60.5 Safari/605.1.15
Browser:
Safari 60
Operating system:
Ubuntu
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
Number
380080320.0 Ops/sec
parseFloat
16989352.0 Ops/sec
String concat1
153682368.0 Ops/sec
String concat2
153152192.0 Ops/sec
-0
11588946.0 Ops/sec
*1
365006176.0 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;