Function to check the existence of a deeply nested object property

gistfile1.js

function hasProperty() {
  var args = Array.prototype.slice.call(arguments, 0);
  var obj = args.shift();
  var ref = obj;
  
  for (var i = 0, _len = args.length; i < _len; i++) {
    if (!ref[args[i]]) return false;
    ref = ref[args[i]];
  }
  
  return true;
}

gistfile2.js

var test = {
  foo: {
    bar: {
      abc: true
    }
  }
};

if (hasProperty(test, 'foo', 'bar', 'abc')) {
  // this runs
}

if (hasProperty(test, 'foo', 'baz')) {
  // this does not run
}