Please help me write this JavaScript function. Thank you very much!pick(source, keys)Creates an object composed of the picked source properties.Parameterssource - Any JavaScript Objectkeys - An array of JavaScript StringsReturn ValueA new Object containing all of the properties of source listed in keys. If a key is listed in keys, but is not defined in source, then that property is not added to the new Object.Examplespick({ foo: 1, bar: 2, baz: 3 }, ['foo', 'baz']) // -> { foo: 1, baz: 3 } pick({ qux: 4, corge: 5 }, ['bar', 'grault']) // -> {} pick({ bar: 2 }, ['foo', 'bar', 'baz']) // -> { bar: 2 }

JavaScript Code function pick(source, keys) // function to pick the key { let result =…

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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Please help me write this JavaScript function. Thank you very much!

pick(source, keys)

Creates an object composed of the picked source properties.

Parameters
- source - Any JavaScript Object
- keys - An array of JavaScript Strings
Return Value

A new Object containing all of the properties of source listed in keys. If a key is listed in keys, but is not defined in source, then that property is not added to the new Object.

Examples
pick({ foo: 1, bar: 2, baz: 3 }, ['foo', 'baz']) // -> { foo: 1, baz: 3 } pick({ qux: 4, corge: 5 }, ['bar', 'grault']) // -> {} pick({ bar: 2 }, ['foo', 'bar', 'baz']) // -> { bar: 2 }

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