JSFiddle - React, Tailwind, and code Playground

by btipling

JavaScript

var obj;

obj = {
    foo: "bar",
};


//A normal object property
console.log(obj.foo); //logs "bar"
obj.foo = "foobar";
console.log(obj.foo); //logs "foobar"
delete obj.foo;
console.log(obj.test); //logs undefined


Object.defineProperty(obj, "foo", {
    value: "bar",
});

console.log(obj.foo); //logs "bar", we were able to modify foo
obj.foo = "foobar";
console.log(obj.foo); //logs "bar", write failed silently
delete obj.foo;
console.log(obj.foo); //logs bar, delete failed silently