The original proto object is missing in JSON.parseThe Problem ๐ : Check the code given below ๐ class Student { constructor(private firstName: string, private lastName: string) {} getFullName() { return `${this.firstName} ${this.lastName}`; } } const student = new Student("Virendra", "P...Nov 25, 2022 ยท 2 min readfeelfreetocode.hashnode.dev