Underscore.JS - isSymbol method

Syntax

_.isSymbol(object)

isSymbol method checks if object is a Symbol. See the below example −

Example

var _ = require('underscore');

//Example 1: Check if argument passed is a Symbol
console.log(_.isSymbol(Symbol()));

//Example 2: Check if argument passed is a symbol
console.log(_.isSymbol('Test'));

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

Command

\>node tester.js

Output

true
false