Lodash _.get() Method

Lodash _.get() method is a utility function that retrieves the value of a nested property from an object safely. It allows you to specify a path to the property and provides a default value if the property is undefined or does not exist.

Lodash _.get() method is used to get the value at the path of the object. If the resolved value is undefined, the default value is returned in its place.

Syntax

_.get(object, path, [defaultValue]);

Parameters

• object (Object) parameter holds the object to query.
• path (Array/String) parameter holds the path of the property to get.
• defaultValue (*) parameter holds the value returned for undefined resolved values or default values. and it is optional.

Return Value: This method returns the resolved value

Example 1: In this example, we are accessing the value of an object using the path in the _.get() method

// Requiring the lodash library  
const _ = require("lodash");

// Given object
let object = { 'c': [{ 'python': { 'java': 3 } }] };

// Use of _.get method 
console.log(_.get(object, 'c[0].python.java')); 

Output:

3

Example 2:  In this example, we are accessing the value of an object using the path in the _.get() method but the keys are in a sequential manner

// Requiring the lodash library  
const _ = require("lodash");

// Given object
let object = { 'c': [{ 'python': { 'java': 3 } }] };

// Use of _.get method 
console.log(_.get(object, ['c', '0', 'python', 'java']));

Output:

3

Example 3:  In this example, we are accessing the value of an object using the path in the _.get() method having a defalt value as "default"

// Requiring the lodash library  
const _ = require("lodash");

// Given object
let object = { 'c': [{ 'python': { 'java': 3 } }] };

// Use of _.get method 
console.log(_.get(object, 'c.python.java', 'default'));

Output:

'default'

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Article Tags :

• JavaScript
• Web Technologies
• JavaScript-Lodash