/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

1 vote105 views1 answer
Node parameter add memory
Javascript Node.js
0 vote108 views1 answer
Node map has value
Javascript Node.js
-1 vote110 views2 answers
Nodejs write raw buffer to file
Javascript Node.js
9 votes117 views1 answer
End code nodejs
Javascript Node.js
0 vote108 views1 answer
Texto unitário no node js
Javascript Node.js
-1 vote110 views2 answers
Nodejs bodyparser form data
Javascript Node.js
0 vote128 views1 answer
Nodejs delete folder recursively
Javascript Node.js
0 vote117 views1 answer
Nodejs get appdata path
Javascript Node.js
0 vote109 views1 answer
Nodejs strict ssl false
Javascript Node.js
21 votes121 views2 answers
Nodejs check if file is running on server or client
Javascript Node.js