- Underscore.JS Tutorial
- Underscore.JS - Home
- Underscore.JS - Overview
- Underscore.JS - Environment Setup
- Underscore.JS - Iterating Collection
- Underscore.JS - Processing Collection
- Underscore.JS - Iterating Array
- Underscore.JS - Processing Array
- Underscore.JS - Functions
- Underscore.JS - Mapping Objects
- Underscore.JS - Updating Objects
- Underscore.JS - Comparing Objects
- Underscore.JS - Utilities
- Underscore.JS - Chaining
- Underscore.JS Useful Resources
- Underscore.JS - Quick Guide
- Underscore.JS - Useful Resources
- Underscore.JS - Discussion
Underscore.JS - isEmpty method
Syntax
_.isEmpty(object)
isEmpty method checks if object is empty, string is of length or array is empty. See the below example −
Example
var _ = require('underscore'); //Example 1: Check if object is empty var result = _.isEmpty({}); console.log(result); //Example 2: Check if string is empty result = _.isEmpty(""); console.log(result); //Example 3: Check if array is empty result = _.isEmpty([]); console.log(result);
Save the above program in tester.js. Run the following command to execute this program.
Command
\>node tester.js
Output
true true true
underscorejs_comparing_objects.htm
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