delete object in object javascript code example

Example 1: delete kvp object

// remove key-value pair from object
let person = {
  name: 'Bob',
  age: 34
};

delete person['age'];
console.log(person); // { name: 'Bob' }

Example 2: javascript remove property from object

var person = {"first_name": "Billy","last_name": "Johnson"};
delete person.last_name; //delete last_name property

Example 3: javascript remove object element

delete object.element;

Example 4: javascript remove function from object

var obj = {
  func: function(a, b) {
    return a + b;
  }
};
delete obj.func;
obj.func(); // Uncaught TypeError: obj.func is not a function