1 var forEach = require('../array/forEach');
2 var slice = require('../array/slice');
3 var forOwn = require('./forOwn');
6 * Copy missing properties in the obj from the defaults.
8 function fillIn(obj, var_defaults){
9 forEach(slice(arguments, 1), function(base){
10 forOwn(base, function(val, key){
11 if (obj[key] == null) {
19 module.exports = fillIn;