Run results for: Lodash reduce vs Lodash Each

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36

Browser: Chrome 68

Operating system: Linux

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Reduce (cloning)	905346.3 Ops/sec
Reduce (without cloning)	1436396.0 Ops/sec
Each (cloning)	1006846.0 Ops/sec
Each (without cloning)	1704191.0 Ops/sec

HTML Preparation code:

<html>
  <head>
  	<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.10.1/lodash.min.js"></script>
  </head>
  <body>
  </body>
</html>

Script Preparation code:

var xpath = "/a/b1/c1/d1/../../../b2/c2/d2"
var xpathParts = xpath.split("/");

Tests:

Reduce (cloning)
_.reduce(_.clone(xpathParts), function(acc, node) { if (node === "..") { acc.pop(); } else { acc.push(node); } return acc; }, []);
Reduce (without cloning)
_.reduce(xpathParts, function(acc, node) { if (node === "..") { acc.pop(); } else { acc.push(node); } return acc; }, []);
Each (cloning)
var resultXPath = []; _.each(_.clone(xpathParts), function(xpathPart) { if (xpathPart === "..") { resultXPath.pop(); } else { resultXPath.push(xpathPart); } });
Each (without cloning)
var resultXPath = []; _.each(xpathParts, function(xpathPart) { if (xpathPart === "..") { resultXPath.pop(); } else { resultXPath.push(xpathPart); } });

Run results for: Lodash reduce vs Lodash Each

Reduce (cloning)

Reduce (without cloning)

Each (cloning)

Each (without cloning)