jquery remove element from object by key code example

Example 1: jquery remove array element by key

var obj = { key: "value" };

delete obj["key"];

Example 2: how to remove key value pair from object in javascript

delete object.keyname;

Example 3: javascript remove object key

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