var obj: any; obj = { "ip": "192.168.1.106", "port": "80", "portType": "TCP", // "targetType":"", "vendorName": "HTTP", // "kinds":"", // "version":"", } var objArray: any[]; objArray.push(obj); export class TargetCreator { list: any[]; public Add(ip: number, port: number, portType: string, vendorName: string) { let obj: any; obj = { "ip": ip, "port": port, "portType": portType, // "targetType":"", "vendorName": vendorName, // "kinds":"", // "version":"", } this.list.push(obj); } public toString() :string { return JSON.stringify(this.list); } }