js remove key from object by value code example

Example 1: Delete Properties from a JavaScript Object

var ourDog = {
  "name": "Camper",
  "legs": 4,
  "tails": 1,
  "friends": ["everything!"],
  "bark": "bow-wow"
};

delete ourDog.bark;

Example 2: javascript remove object key

var obj = {a: 5, b: 3};
delete obj["a"];
console.log(obj); // {b: 3}