how to delete a object 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: 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