remove attribute javascript
document.getElementsByTagName("H1")[0].removeAttribute("class");remove attribute javascript
document.getElementsByTagName("H1")[0].removeAttribute("class");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: undefineddelete attribute javascript
var target = document.getElementById("p12");
target.removeAttribute("class");javascript 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"}Copyright © 2021 Codeinu
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