como remover o par de valores de chave do objeto em javascript
delete object.keyname;
Happy Hare
delete object.keyname;var obj = {a: 5, b: 3};
delete obj["a"];
console.log(obj); // {b: 3}// Example 1
var key = "Cow";
delete thisIsObject[key];
// Example 2
delete thisIsObject["Cow"];
// Example 3
delete thisIsObject.Cow;