--- id: aed94d48-374c-4f3d-8dca-b6e4b3f9ae83 title: JavaScript Delete Operator --- # Description The `delete` operator deletes a binding (duh). # Syntax ``` javascript 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 ```