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Run results for:
Floats: toFixed vs toPrecision vs Math.round
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0
Browser:
Firefox 138
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
parseFloat() + toFixed(4)
21560326.0 Ops/sec
parseFloat() + toPrecision(4)
19954878.0 Ops/sec
Math.round(*10000)/10000
2712784896.0 Ops/sec
Script Preparation code:
var someFloat = 0.123456789;
Tests:
parseFloat() + toFixed(4)
parseFloat(someFloat.toFixed(4));
parseFloat() + toPrecision(4)
parseFloat(someFloat.toPrecision(4));
Math.round(*10000)/10000
Math.round(someFloat*10000)/10000;