javascript delete key from object
let person = {
firstname: 'John',
lastname: 'Doe'
}
console.log(person.firstname);
// expected output: "John"
delete person.firstname;
console.log(person.firstname);
// expected output: undefinedjavascript delete key from object
let person = {
firstname: 'John',
lastname: 'Doe'
}
console.log(person.firstname);
// expected output: "John"
delete person.firstname;
console.log(person.firstname);
// expected output: undefinedjavascript remove object key
var obj = {a: 5, b: 3};
delete obj["a"];
console.log(obj); // {b: 3}js remove key from object
// Example 1
var key = "Cow";
delete thisIsObject[key];
// Example 2
delete thisIsObject["Cow"];
// Example 3
delete thisIsObject.Cow;Copyright © 2021 Codeinu
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