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Adding Defaults to objects in Underscore
var start = {
id: 123,
count: 41,
desc: 'this is information',
title: 'Base Object',
tag: 'uncategorized',
values: [1,1,2,3,5,8,13]
var more = {
name: 'Los Techies',
tag: 'javascript'
var extra = {
count: 42,
title: null,
desc: undefined,
values: [1,3,6,10]
var extended = _.defaults(start, more, extra);
"id": 123,
"count": 41,
"desc": "this is information",
"title": "Base Object",
"tag": "uncategorized",
"values": [1,1,2,3,5,8,13],
"name": "Los Techies"
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