Run results for: Compare the new ES6 spread operator with Ramda assoc (10000000 keys)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.67 Safari/537.36

Browser: Chrome 87

Operating system: Mac OS X 10.15.4

Device Platform: Desktop

Date tested: 3 years ago

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.js"></script>

Script Preparation code:

var params = { "a": 1, "b": 2 };
for(var i = 0; i<10000000; i++);
params['x'+i] = i

Tests: