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Run results for:
Array.prototype.map.call() vs [...array].map()
Compare the new ES6 spread operator with the traditional slice() method
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<iframe src="https://measurethat.net/Embed?id=582999" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0
Browser:
Firefox 134
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
Array.prototype.map.call()
22.3M/s
[...array].map()
11.8M/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.map.call()
22,294,142 Ops/sec
[...array].map()
11,816,997 Ops/sec
Tests:
Array.prototype.map.call()
var params = [ "hello", true, 7 ]; var other = Array.prototype.map.call(params, function(value) {return value});
[...array].map()
var params = [ "hello", true, 7 ] var other = [ ...params].map(function(value) {return value});