remove prop from object js code example

Example 1: javascript remove property from object

var person = {"first_name": "Billy","last_name": "Johnson"};
delete person.last_name; //delete last_name property

Example 2: how 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"}

Example 3: removeProperty(obj, prop)

function removeProperty(obj, prop) {
if (obj[prop] != undefined) {
    delete obj[prop];
    return true;
} else {
    return false;
}
return null;
}