Run results for: Native copying performance

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36

Browser: Chrome 66

Operating system: Linux

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Native map	140455.2 Ops/sec
Native slice	391025.7 Ops/sec
Native spread	33082.6 Ops/sec

HTML Preparation code:

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  </script>

Script Preparation code:

var native = [];
for (var i=0; i < 1000; i++) {
  native.push(i);
}
var immutable = Immutable.List(native);
var seamless = Seamless(native);

Tests:

Native map
var b = native.map(el => el).push('array')
Native slice
var b = native.slice().push('array')
Native spread
var b = [...native, 'array']

Run results for: Native copying performance

Native map

Native slice

Native spread