delete object property and value 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: javscript remove a property
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];
Example 3: nodejs delete object key
delete obj.firstname;