/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 vote349 views1 answer
How to generate a random salt in nodejs
Javascript Node.js
0 vote356 views1 answer
Nodejs catch uncaught exception
Javascript Node.js
0 vote298 views1 answer
Nodejs spawn detached command
Javascript Node.js
10 votes307 views2 answers
Readline node js
Javascript Node.js
4 votes334 views3 answers
Nodejs copy file
Javascript Node.js
0 vote320 views1 answer
How to install node js in plesk
Javascript Node.js
0 vote336 views1 answer
Create directory when writing to file in nodejs
Javascript Node.js
4 votes312 views3 answers
Node js kill port
Javascript Node.js
0 vote439 views1 answer
Determine location of ip address nodejs
Javascript Node.js
0 vote332 views2 answers
Add to dictionary node js
Javascript Node.js