Lodash pickBy method
语法
_.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).
参数
object (Object) − The source object.
[predicate=_.identity] (Function) − The function invoked per property.
输出
(Object) − Returns the new object.
实例
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
输出
