Setting a depth in an object literal by a string of dot notation?

Question

There are plenty of solutions out there to check/access an object literal giving a string of dot notation, but what I need to do is SET an object literal based on a string o

Answer 1

This is one way of doing it:

function setDepth(obj, path, value) {
    var levels = path.split(".");
    var curLevel = obj;
    var i = 0;
    while (i < levels.length-1) {
        curLevel = curLevel[levels[i]];
        i++;
    }
    curLevel[levels[levels.length-1]] = value;
}

Working demo.