The Lodash _.isBoolean() method checks if the given value can be classified as Boolean value or not.
Syntax:
_.isBoolean( value )
Parameters: This method accepts a single parameter as mentioned above and described below:
- value: This parameter holds the value that needs to be Checked for Boolean.
Return Value: This method returns a Boolean value(Returns true if the given value is a boolean, else false).
Example 1: This method returns true when the value is a boolean(true or false).
Javascript
// Defining Lodash variable const _ = require('lodash'); var val = true; // Checking for Boolean console.log("The Value is Boolean : " +_.isBoolean(val)); |
Output:
The Value is Boolean : true
Example 2:
Javascript
// Defining Lodash variable const _ = require('lodash'); var val = false; // Checking for Boolean console.log("The Value is Boolean : " +_.isBoolean(val)); |
Output:
The Value is Boolean : true
Example 3:
Javascript
// Defining Lodash variable const _ = require('lodash'); var val = null; // Checking for Boolean console.log("The Value is Boolean : " +_.isBoolean(val)); |
Output:
The Value is Boolean : false
Note: This will not work in normal JavaScript because it requires the lodash library to be installed.
Lodash library can be installed using npm install lodash.
