Run results for: loop obj

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0

Browser: Firefox 48

Operating system: Windows 8.1

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
doc1	3052624.0 Ops/sec
doc2	2410674.0 Ops/sec

Script Preparation code:

    var Document = function(Config) {
      this.config = {
        worker: true,
        width: "auto",
        height: "auto",
        format: "default",
        quality: "default"
      };
      this.init(Config);
    };

    Document.prototype.init = function(Config) {
      if(typeof Config == "object") {
        for(prop in Config) {
          if(this.config.hasOwnProperty(prop))
            this.config[prop] = Config[prop];
        }
      }
    };


    var Document2 = function(Config) {
      this.config = {
        worker: true,
        width: "auto",
        height: "auto",
        format: "default",
        quality: "default"
      };
      this.init(Config);
    };

    Document2.prototype.init = function(Config) {
      var keys = Object.keys(Config);
      for(var i = 0; i < keys.length; i++)
          if(this.config[keys[i]]) this.config[keys[i]] = Config[keys[i]];
    };

Tests:

doc1
var preview = new Document({width: 50, height: 50});
doc2
var preview = new Document2({width: 50, height: 50});

doc1

doc2