javascript delete from object by key code example
Example 1: javascript delete key from object
let person = {
firstname: 'John',
lastname: 'Doe'
}
console.log(person.firstname);
delete person.firstname;
console.log(person.firstname);
Example 2: js remove key from object
var key = "Cow";
delete thisIsObject[key];
delete thisIsObject["Cow"];
delete thisIsObject.Cow;
Example 3: js remove form object by key
var key = "Cow";
delete thisIsObject[key];
delete thisIsObject["Cow"];
delete thisIsObject.Cow;