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JavaScript - Delete A Property

If your object has a property you do not want, you can delete it. 


let person = {firstName:"John", lastName:"Doe", age:50, eyeColor:"blue"};
delete person.age;
// or delete person["age"];

If you need to loop thru a collection, you can do this:

    
        let personA = { Name: "Ricky", Age: 50, Junk: "Foo" };
        let personB = { Name: "Bobby", Age: 50, Junk: "Foo" };
        let persons1 = [personA, personB];

        let personC = { Name: "Ricky", Age: 50, Junk: "Foo" };
        let personD = { Name: "Bobby", Age: 50, Junk: "Foo" };
        let persons2 = [personC, personD];

        console.log("Before delete");
        console.dir(persons1);

        persons2.forEach((p) => { delete p.Junk; });
        console.log("After delete");
        console.dir(persons2);

View the Console.