GitHub

Install

Just copy/paste this function into your project:

var mb=p=>o=>p.map(c=>o=o?.[c])&&o

Alternatively, you can download mb.js.

Use

var getHello = mb(["a", "b", 0, "hello"]);
var getHelloLength = mb(["a", "b", 0, "hello", "length"]);
var obj1 = {
  a: {
    b: [{ hello: "world" }]
  }
};
var obj2 = {
  c: {
    d: "e"
  }
};
getHello(obj1); // world
getHelloLength(obj1); // 5
getHello(obj2); // undefined
getHelloLength(obj2); // undefined

Contribution and Code-Golfing

  1. Clone and shorten current code.
  2. Please open test.html in your browser and open console to see if all the tests pass.

Contributors

Read the original on github.com ↗