Benchmark: object cope speed test

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var MyObject = {
  description: 'Creates a deep copy of source, which should be an object or an array.',
  myNumber: 123456789,
  myBoolean: true,
  jayson: {
    stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....',
    parse: 'JSON.parse() method parses a JSON string...'
  }
};

var myCopy = null;

function copy(o) {
   var output, v, key;
   output = Array.isArray(o) ? [] : {};
   for (key in o) {
       v = o[key];
       output[key] = (typeof v === "object") ? copy(v) : v;
   }
   return output;
}

Tests:

copy recursive
myCopy = copy(MyObject);
json
myCopy = JSON.parse(JSON.stringify(MyObject));
lodash
myCopy = _.cloneDeep(MyObject);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
copy recursive
json
lodash

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36

Browser/OS: Chrome 85 on Windows

View result in a separate tab

Test name	Executions per second
copy recursive	943678.3 Ops/sec
json	275258.1 Ops/sec
lodash	508200.2 Ops/sec

object cope speed test (version: 0)

Comparing performance of: copy recursive vs json vs lodash

Created: 3 years ago by: Guest

Jump to the latest result

copy recursive

json

lodash

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A