removing element from object code example

Example 1: 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 2: javascript remove object key

var obj = {a: 5, b: 3};
delete obj["a"];
console.log(obj); // {b: 3}