Answers for "Lodash filter"

-1

Lodash filter

var users = [
  { 'user': 'barney', 'age': 36, 'active': true },
  { 'user': 'fred',   'age': 40, 'active': false }
];
 
_.filter(users, function(o) { return !o.active; });
// => objects for ['fred']
 
// The `_.matches` iteratee shorthand.
_.filter(users, { 'age': 36, 'active': true });
// => objects for ['barney']
 
// The `_.matchesProperty` iteratee shorthand.
_.filter(users, ['active', false]);
// => objects for ['fred']
 
// The `_.property` iteratee shorthand.
_.filter(users, 'active');
// => objects for ['barney']
Posted by: Guest on October-28-2020
0

lodash filter array objects

const arr = [
  {},
  { hello: null },
  { hello: false },
  { hello: 0 },
  { hello: 'world' }
];

_.filter(arr, 'hello'); // [{ hello: 'world' }]
Posted by: Guest on July-14-2021
1

lodash map

const _quote_filter = _.map(quote_state, (val, key) => {   if (val) {      return key   }})console.log(_quote_filter) //=> [ 'btc', undefined, undefined ]
Posted by: Guest on May-12-2020
-1

lodash map

const _markets_arr = []

_.map(markets, (val, key) => {
   val.symbol = key
   if (val.buys > 0) {
      _markets_arr.push(val)
   }
})

console.log(_markets_arr)
//=> [ 
       { buys: 3, sells: 1, symbol: 'DASH/BTC' },
       { buys: 3, sells: 2, symbol: 'ETH/BTC' } 
   ]
Posted by: Guest on May-12-2020

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