json deep dot

Prototype code is available here

https://gist.github.com/Cirilord/d0d3f0ba7171deed26bfffe4787d6e0b

Example

let y = {}

Object.deep.(y, 'x.y.z')

console.log(y)
// y => { x: { y: { z: null } } }

OR

let x = {}

Object.deep.(x, 'x.y.z', 10)

console.log(x)
// x => { x: { y: { z: 10 } } }

var myObj, x;
myObj = {"name":"John", "age":30, "car":null};
x = myObj.name;
document.getElementById("demo").innerHTML = x;