var person = {"first_name": "Billy","last_name": "Johnson"}; delete person.last_name; //delete last_name property
var person = { name: "Harry", age: 16, gender: "Male" }; // Deleting a property completely delete person.age; alert(person.age); // Outputs: undefined console.log(person); // Prints: {name: "Harry", gender: "Male"}
var ourDog = { "name": "Camper", "legs": 4, "tails": 1, "friends": ["everything!"], "bark": "bow-wow" }; delete ourDog.bark;
var myObject = { "name": "jon", "gender": "male", "registered": "yes" }; delete myObject.gender; console.log(myObject); //other methods delete myObject.gender; // or, delete myObject['gender']; // or, var prop = "gender"; delete myObject[prop];