var users = [ {id:1,name:'ted'}, {id:1,name:'ted'}, {id:1,name:'bob'}, {id:3,name:'sara'} ]; var uniqueUsersByID = _.uniqBy(users,'id'); //removed if had duplicate id var uniqueUsers = _.uniqWith(users, _.isEqual);//removed complete duplicates
var users = [ { 'user': 'barney', 'age': 36, 'active': true }, { 'user': 'fred', 'age': 40, 'active': false }, { 'user': 'pebbles', 'age': 1, 'active': true } ]; _.find(users, function(o) { return o.age < 40; }); // => object for 'barney'
_.flatMap(names, (nameObj) => _.map(nameObj, (objVal) => { return { name: objVal }; }));
_.each(markets, (obj, key) => { obj.symbol = key})console.log(markets)//=> { 'BTC/USD': { buys: 0, sells: 3, symbol: 'BTC/USD' }, 'DASH/BTC': { buys: 3, sells: 1, symbol: 'DASH/BTC' }, 'ETH/BTC': { buys: 3, sells: 2, symbol: 'ETH/BTC' } }
var object = { 'a': [{ 'b': { 'c': 3 } }] }; _.get(object, 'a[0].b.c');// => 3 _.get(object, ['a', '0', 'b', 'c']);// => 3 _.get(object, 'a.b.c', 'default');// => 'default'