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Run results for:
JS BigInt To Uint8Array
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:100.0) Gecko/20100101 Firefox/100.0
Browser:
Firefox 100
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one month ago
Test name
Executions per second
for-loop
4785396.5 Ops/sec
dataview
2624675.0 Ops/sec
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
function bigIntToBigEndianBytesLoop(value) { const hex = value.toString(16).padStart(8 * 2, '0'); const bytes = new Uint8Array(8); for (let i = 0; i < 8; i++) { bytes[i] = parseInt(hex.slice(i * 2, i * 2 + 2), 16); } return bytes; } function bigIntToBigEndianBytesDataView(value) { const buf = new ArrayBuffer(8); const view = new DataView(buf); view.setBigUint64(0, value); return new Uint8Array(buf); }
Tests:
for-loop
bigIntToBigEndianBytesLoop(2382975329865n);
dataview
bigIntToBigEndianBytesDataView(2382975329865n);