how to remove a key value pair from object in typescript 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: js delete object in dict

delete myArray[id_to_remove];

Example 3: how to remove key value pair from object in javascript

delete object.keyname;