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Run results for:
string to ~~ vs parseInt vs Number vs parseFloat
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<iframe src="https://measurethat.net/Embed?id=601913" width="100%" height="500px"></iframe>
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
notnot
19779748.0 Ops/sec
parseInt
369144320.0 Ops/sec
Number
393843168.0 Ops/sec
parseFloat
26705090.0 Ops/sec
+0
472716832.0 Ops/sec
*1
363652832.0 Ops/sec
Script Preparation code:
var strA = "420343343242"; var strB = "420343343243";
Tests:
notnot
var res = ~~strA;
parseInt
var res = parseInt(strA);
Number
var res = Number(strA);
parseFloat
var res = parseFloat(strA);
+0
var res = strA + 0;
*1
var res = strA * 1;