{"ScriptPreparationCode":" class Car {\r\n constructor(make, model, year, mileage = 0, fuelLevel = 100) {\r\n this.make = make;\r\n this.model = model;\r\n this.year = year;\r\n this.mileage = mileage;\r\n this.fuelLevel = fuelLevel;\r\n }\r\n\r\n start() {\r\n console.log(\u0060${this.make} ${this.model} is starting...\u0060);\r\n }\r\n\r\n stop() {\r\n console.log(\u0060${this.make} ${this.model} is stopping...\u0060);\r\n }\r\n\r\n drive(distance) {\r\n if (this.fuelLevel \u003E 0) {\r\n this.mileage \u002B= distance;\r\n this.fuelLevel -= distance * 0.05; // Assuming 1 unit of fuel per 20 miles\r\n console.log(\u0060You drove ${distance} miles. Mileage is now ${this.mileage} miles.\u0060);\r\n } else {\r\n console.log(\u0027Not enough fuel to drive.\u0027);\r\n }\r\n }\r\n\r\n refuel(amount) {\r\n this.fuelLevel \u002B= amount;\r\n console.log(\u0060Refueled ${amount}%. Fuel level is now ${this.fuelLevel}%.\u0060);\r\n }\r\n\r\n getCarInfo() {\r\n return \u0060${this.year} ${this.make} ${this.model}, Mileage: ${this.mileage} miles, Fuel Level: ${this.fuelLevel}%\u0060;\r\n }\r\n }\r\n\r\nfunction createCar() {\r\n \r\n return new Car(\u0027Toyota\u0027, \u0027Corolla\u0027, 2021, 5000, 100);\r\n}\r\n\r\nfunction createProperties() {\r\n return {\r\n make: \u0027Toyota\u0027,\r\n model: \u0027Corolla\u0027,\r\n year: 2021,\r\n mileage: 5000,\r\n fuelLevel: 100\r\n }\r\n}\r\n\r\nfunction createProto() {\r\n return {\r\n start: function() {\r\n console.log(\u0060${this.make} ${this.model} is starting...\u0060);\r\n },\r\n\r\n stop: function() {\r\n console.log(\u0060${this.make} ${this.model} is stopping...\u0060);\r\n },\r\n\r\n drive: function(distance) {\r\n if (this.fuelLevel \u003E 0) {\r\n this.mileage \u002B= distance;\r\n this.fuelLevel -= distance * 0.05; // Assuming 1 unit of fuel per 20 miles\r\n console.log(\u0060You drove ${distance} miles. Mileage is now ${this.mileage} miles.\u0060);\r\n } else {\r\n console.log(\u0027Not enough fuel to drive.\u0027);\r\n }\r\n },\r\n\r\n refuel: function(amount) {\r\n this.fuelLevel \u002B= amount;\r\n console.log(\u0060Refueled ${amount}%. Fuel level is now ${this.fuelLevel}%.\u0060);\r\n },\r\n\r\n getCarInfo: function() {\r\n return \u0060${this.year} ${this.make} ${this.model}, Mileage: ${this.mileage} miles, Fuel Level: ${this.fuelLevel}%\u0060;\r\n }\r\n }\r\n}\r\n\r\nfunction extendTarget(target, proto) {\r\n Object.setPrototypeOf(proto, Object.getPrototypeOf(target))\r\n Object.setPrototypeOf(target, proto)\r\n return target\r\n}\r\n\r\nfunction createProxy(target) {\r\n return new Proxy(target, {\r\n get(target, key, receiver) {\r\n if (key in target)\r\n return Reflect.get(target, key, receiver)\r\n },\r\n set(target, key, value, receiver) {\r\n target[key] = value;\r\n return true;\r\n }\r\n })\r\n}","TestCases":[{"Name":"Object.setPrototypeOf","Code":"const extended = extendTarget(createProperties(), createProto())","IsDeferred":false},{"Name":"Proxy","Code":"const proxy = createProxy(createCar())","IsDeferred":false},{"Name":"Baseline Class","Code":"const object = createCar()","IsDeferred":false}]}