Benchmark: Immutable vs Native

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/immutable/3.8.1/immutable.min.js"></script>

Script Preparation code:

var native = [];
for (var i=0; i < 1000000; i++) {
  native.push(i);
}
var imm = Immutable.List(native);

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
native copy
immutable copy

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Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Browser/OS: Chrome 75 on Mac OS X 10.14.6

Test name	Executions per second
native copy	17.5 Ops/sec
immutable copy	216033.0 Ops/sec

Immutable vs Native (version: 0)