Underscore.JS - constant method

Syntax

_.constant(value)

constant method creates a function that returns the same value which is passed as argument. See the below example:

Example

var _ = require('underscore');

var value = {name: 'Sam'};
//Example 1: Check if constant returns same object
console.log(value === _.constant(value)());

value = 1;
//Example 2: Check if constant returns same object
console.log(value === _.constant(value)());

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

Command

\>node tester.js

Output

true
true