how to delete from obj js code example

Example 1: how to remove a property from an object in javascript

var person = {
        name: "Harry",
        age: 16,
        gender: "Male"
    };
    
    // Deleting a property completely
    delete person.age;
    alert(person.age); // Outputs: undefined
    console.log(person); // Prints: {name: "Harry", gender: "Male"}

Example 2: 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