Run results for: string to ~~ vs parseInt vs Number vs parseFloat vs +0... - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser: Chrome 114

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
notnot	4703512.0 Ops/sec
parseInt	2436094.2 Ops/sec
Number	2598066.5 Ops/sec
parseFloat	2452086.0 Ops/sec
+0	9342795.0 Ops/sec
*1	4766253.0 Ops/sec
-0	4701606.5 Ops/sec
+	4896960.5 Ops/sec
<<0	4729085.5 Ops/sec

Script Preparation code:

var strA = "1688805315905";
var strB = "1688805315906";

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;
-0
var res = strA - 0;
+
var res = +strA;
<<0
var res = strA<<0;

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