javascript remove property from object
var person = {"first_name": "Billy","last_name": "Johnson"};
delete person.last_name; //delete last_name propertyjavascript remove property from object
var person = {"first_name": "Billy","last_name": "Johnson"};
delete person.last_name; //delete last_name propertyhow to remove a property from an object in javascript
var person = {
name: "Harry",
age: 16,
gender: "Male"
};
// Deleting a property completely
delete person.age;
alert(person.age); // Outputs: undefined
console.log(person); // Prints: {name: "Harry", gender: "Male"}how to remove property of object in javascript without delete
const names = {
father: "Johnny",
brother: "Billy",
sister: "Sandy"
}
delete names.father
// { brother: "Billy", sister: "Sandy" }
delete names["father"]
// { brother: "Billy", sister: "Sandy" }how to remove property of object in javascript without delete
const names = {
father: "Johnny",
brother: "Billy",
sister: "Sandy"
}
const newNames = Object.keys(names).reduce((object, key) => {
if (key !== "father") {
object[key] = names[key]
}
return object
}, {})
// { brother: "Billy", sister: "Sandy" }Copyright © 2021 Codeinu
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