use of forEach

forEachDrill.js

/***
create: function(){
        var platformData = [
            {"x": 0, "y": 430},
            {"x": 45, "y": 560},
            {"x": 90, "y": 290},
            {"x": 0, "y": 140}
        ];
        this.platforms = this.add.group();
        this.platforms.enableBody = true;
        
      this.platformData.forEach(function(element){
            this.platforms.create(element.x, element.y, 'platform');
        }, this);
  ***/