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Run results for: toFixed vs Math.round() sd6f54sd6f54

Comparing performance of: toFixed(4) vs toPrecision(4).toString() vs (Math.round(*10000)/10000).toString() vs Math.floor fast vs the new Math.trunc

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Chrome 120
Windows
Desktop
one year ago
Test name Executions per second
toFixed(4) someFloat.toFixed(4); someFloat.t 3558038.2 Ops/sec
Math.pow - Math.round 3849543.8 Ops/sec
Script Preparation code:
AخA
 
var someFloat = 0.123456789;
Tests:

  • toFixed(4) someFloat.toFixed(4); someFloat.t

     
    +someFloat.toFixed(4);

  • Math.pow - Math.round

     
    var nb = Math.pow(10, 4);
    (Math.round(someFloat*nb)/nb);