wiki/content/20201113094652-javascript_delete_operator.md

id	title
aed94d48-374c-4f3d-8dca-b6e4b3f9ae83	JavaScript Delete Operator

Description

The delete operator deletes a binding (duh).

Syntax

let anObject = { left: 1, right: 2 };
console.log(anObject.left); // 1

delete anObject.left;

console.log(anObject.left); // undefined
console.log("left" in anObject); // false
console.log("right" in anObject); // true