/Javascript/Node.js/Nodejs delete object key

Nodejs delete object key

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: undefined

Nodejs delete object key

delete obj.firstname;

Javascript 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;

Source: stackoverflow.com

Similar codes

0 vote205 views1 answer
Texto unitário no node js
Javascript Node.js
0 vote219 views1 answer
Nodejs read file sent in the request without saving to file system
Javascript Node.js
0 vote224 views1 answer
Node load testing-basic
Javascript Node.js
2 votes205 views2 answers
Send multipart form data axios with node js
Javascript Node.js
0 vote203 views1 answer
Redirect to 404 page in node js express
Javascript Node.js
0 vote249 views1 answer
Node and bash together
Javascript Node.js
20 votes272 views4 answers
Use node js to check if a json file exists
Javascript Node.js
0 vote207 views1 answer
Node js utf8 encode
Javascript Node.js
0 vote211 views1 answer
How to change function name while exporting in node
Javascript Node.js
0 vote234 views1 answer
Node js check if called from module
Javascript Node.js