Lodash _.has() Method

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Lodash _.has() method is used to check whether the path is a direct property of the object or not. It returns true if the path exists, it returns false.

Syntax:

_.has(object, path);

Parameters:

object: This parameter holds the object to query.
path: This parameter holds the path to check. The path will be an array or string.

Return Value:

This method returns true if the path exists. else it will return false.

Example 1: In this example, we are checking whether ‘a’ is present in the object or not by the use of the _.has() method.

Javascript

// Requiring the lodash library  
const _ = require("lodash");
 
// Given object
let object = { 'a': { 'b': 2 } };
 
// Use of _.has method 
console.log(_.has(object, 'a'));
console.log(_.has(object, ['a']));
console.log(_.has(object, ['b']));

Output:

true
true
false

Example 2: In this example, we are checking present of the passed value in the object or not by the use of the _.has() method.

Javascript

// Requiring the lodash library  
const _ = require("lodash");
 
// Given object
let object = { 'a': { 'b': 2 } };
 
// Use of _.has method 
console.log(_.has(object, 'a.b'));
console.log(_.has(object, ['a', 'b']));
console.log(_.has(object, ['a', 'b', 'c']));

Output:

true
true
false

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