What is the best way to get/set an objects deep property in Javascript?

Question

It is notoriously annoying to get a deeper property from an object. If the parent does not exist, you get an error. So you need to stop getting to the property when a parent doe

Answer 1

Instead of try..catch, just test for the property:

function getProp(path, parent) {
    path = path.split('.');

    for (var k=0, kLen=path.length; k