/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

4 votes187 views6 answers
Node js kill process
Javascript Node.js
0 vote202 views2 answers
Nodejs fs directory exists
Javascript Node.js
0 vote184 views1 answer
Node js utf8 encode
Javascript Node.js
0 vote187 views1 answer
Nodejs express use streams
Javascript Node.js
0 vote180 views1 answer
Nodejs read file sent in the request without saving to file system
Javascript Node.js
0 vote205 views1 answer
Http module nodejs
Javascript Node.js
1 vote177 views1 answer
Html to pdf node js background color
Javascript Node.js
-1 vote173 views1 answer
Nodejs read file to array
Javascript Node.js
0 vote214 views2 answers
How to create response time router node js
Javascript Node.js
0 vote181 views1 answer
How to uninstall nodejs web server
Javascript Node.js