Run results for: For vs map vs R.map 2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36

Browser: Chrome 79

Operating system: Mac OS X 10.15.2

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
for	14.9 Ops/sec
map	28.4 Ops/sec
R.map	22.0 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>

Script Preparation code:


var genericText = "Generic prepended text, calculated value is: ";
var arr = new Array();
for (var i = 0; i < 100000; i++) {
  arr[i] = i;
}

function multReturn(x) {
  return genericText + Math.sqrt(x * x);
}

Tests:

for
// newArr = new Array(arr.length); newArr = []; for (var i = 0; i < arr.length; i++) { //newArr[i] = multReturn(arr[i]); newArr.push(multReturn(arr[i])) }
map
newArr = arr.map(multReturn);
R.map
newArr = R.map(multReturn, arr);