how to filter object in javascript. 2. filter an object in jquery. 1. Filter an Object. 1.

Since I haven't seen an answer using Object.entries here's one. Note, due to Object.entries() implementation being significantly slower than Object.keys(), this will also be slower than the accepted answer, but some may prefer this for readability or extendability (easier to pass a different filtering function).

This function will filter an object based on a list of keys, its more efficient than the previous answer as it doesn't have to use Array.filter before calling reduce. so its O(n) as opposed to O(n + filtered)

] }; // (Note that because `price` and such are given as strings in your object, // the below relies on the fact that <= and >= with a string and number // will coerce the string to a number before comparing.) var newArray = obj.homes.filter(function (el) { return el.price <= 1000 && el.sqft >= 500 && el.num_of_beds >= 2 && el.num_of_baths >= 1 ...

Jul 3, 2015 · Use .filter when you want to get the whole object(s) that match the expected property or properties. Use .map when you have an array of things and want to do some operation on those things and get the result.

You could filter it and search just for one occurence of the search string. Methods used: Array#filter, just for filtering an array with conditions, Object.keys for getting all property names of the object, Array#some for iterating the keys and exit loop if found, String#toLowerCase for getting comparable values,

Mar 26, 2015 · Lodash 4.0. Lodash 4.0 has _.pick, which takes an array of properties, and _.pickBy which takes a function as an argument and returns an object only containing the keys for which that function returns truthy which is what we want here, so it'd be:

Jun 14, 2013 · Here's a functional approach that should work for any numbers of properties given the object: function filter(arr, criteria) { return arr.filter(function(obj) { return Object.keys(criteria).every(function(c) { return obj[c] == criteria[c]; }); }); } For example:

Aug 5, 2015 · You'll have more flexibility if you turn the values in your filter object into arrays: var filter = {address: ['England'], name: ['Mark'] }; That way you can filter for things like "England" or "Scotland", meaning that results may include records for England, and for Scotland: var filter = {address: ['England', 'Scotland'], name: ['Mark'] };

I'm working with a an object of objects and need a method to find all objects matching a certain value, ie in the example below I could pass the main object, 'city' and 'London' and be returned all