Object Traversal

object-traversal.js

/*
Problem Statement: 
- To write a function 'findPath' which will traverse through the object 'obj' and print the output based on the path specified
- The sample I/P and O/P is given below in the console statement
*/
var obj = {
    a: {
        b: {
            c: 12
        }
    }, 
    findPath: function(path){
        var nodesArray = path.split('.')
        var objCopy = obj;
		
        nodesArray.forEach((e) => {
            try {
                objCopy = objCopy[e];
            } catch {
                objCopy = undefined;
            }
        });
        return objCopy;
    }
};

console.log(obj.findPath('a.b.c')); // 12
console.log(obj.findPath('a.b')); // {c: 12}
console.log(obj.findPath('a.b.d')); // undefined
console.log(obj.findPath('a.c')); // undefined
console.log(obj.findPath('a.b.c.d')); // undefined
console.log(obj.findPath('a.b.c.d.e')); // undefined