JSFiddle - React, Tailwind, and code Playground
JavaScript
var a = { x: 11, y: 12 };
var b = a;
a.x = 0;
console.log("a before delete", a);
delete a;
console.log("a after delete", a);
console.log(b);
var a = { x: 11, y: 12 };
var b = a;
a.x = 0;
console.log("a before delete", a);
delete a;
console.log("a after delete", a);
console.log(b);