delete object attribute jas code example
Example 1: javascript remove property from object
var person = {"first_name": "Billy","last_name": "Johnson"};
delete person.last_name; //delete last_name property
Example 2: how to delete a property from a javascript object
var person = {
firstName:"John",
lastName:"Doe",
age:50,
eyeColor:"blue"
};
delete person.age; // or delete person["age"];
// Before deletion: person.age = 50, after deletion, person.age = undefined