Lodash - pickBy method

Syntax

_.pickBy(object, [predicate=_.identity])

Creates an object composed of the object properties predicate returns truthy for. The predicate is invoked with two arguments: (value, key).

Arguments

• object (Object) − The source object.

• [predicate=_.identity] (Function) − The function invoked per property.

Output

• (Object) − Returns the new object.

Example

var _ = require('lodash');
var object = { 'a': 1, 'b': '2', 'c': 3 };
var result = _.pickBy(object, _.isNumber);

console.log(result);

Save the above program in tester.js. Run the following command to execute this program.

Command

\>node tester.js

Output

{ a: 1, c: 3 }