Run results for: Deep copy benchmark 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.79 Safari/537.36

Browser: Chrome 79

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
lodash clone deep	46141.7 Ops/sec
JSON parse stringify	38906.4 Ops/sec
Recursive deep copy	165218.6 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
<script>
  function recursiveDeepCopy(o) {
    var newO,
      i;
  
    if (typeof o !== 'object') {
      return o;
    }
    if (!o) {
      return o;
    }
  
    if ('[object Array]' === Object.prototype.toString.apply(o)) {
      newO = [];
      for (i = 0; i < o.length; i += 1) {
        newO[i] = recursiveDeepCopy(o[i]);
      }
      return newO;
    }
  
    newO = {};
    for (i in o) {
      if (o.hasOwnProperty(i)) {
        newO[i] = recursiveDeepCopy(o[i]);
      }
    }
    return newO;
  }
                               </script>

Script Preparation code:

var MyObject = {"Id":"webtracker-sessions","Name":"Sessions","DataSources":[{"Id":1,"EndPointUrl":"https://d2insightsrestapi4620170917123759.azurewebsites.net/api/v2/timechart/session/visits","EndPointRequestType":"post","Name":"Sessions"}],"ChartType":"XTime","HasAnnotations":true,"DefaultTitle":"Sessions","Visualizations":[{"DataSourceId":1,"Type":"timebar","Events":[],"Index":1}],"Configurables":[{"Grouping":"Date & Time","Configurables":[{"Name":"Date Range","Type":"datetime-range","RequestParameters":["StartDate","EndDate"],"Variable":"dates[]"},{"Name":"Atomicity","Type":"time-atomicity","RequestParameters":"Atomicity","Variable":"atomicity"},{"Name":"Timeframe Compare Date Range","Type":"timeframe-compare-datetime-range","RequestParameters":["CompareStartDate","CompareEndDate"],"Variable":"timeframeCompare"}]},{"Name":"Color","Type":"colors","Variable":"varia-series-color[]"},{"Name":"Include","Variable":"Include","Type":"tag","RequestParameters":"Include","Hide":false},{"Name":"Exclude","Variable":"Exclude","Type":"tag","RequestParameters":"Exclude","Hide":false}],"AlternateCharts":[{"ChartDefinitionId":"webtracker-sessions-timeline","DisplayName":"View as timeline"}]}

var myCopy = null;

Tests:

lodash clone deep
var myCopy = _.cloneDeep(MyObject);
JSON parse stringify
var myCopy = JSON.parse(JSON.stringify(MyObject));
Recursive deep copy
var myCopy = recursiveDeepCopy(MyObject);

Run results for: Deep copy benchmark 2

lodash clone deep

JSON parse stringify

Recursive deep copy