Lodash _.isBuffer() Method

Lodash _.isBoolean() Method

Last Updated : 03 Sep, 2024

Lodash _.isBoolean() method checks if the given value can be classified as a Boolean value or not.

Syntax:

_.isBoolean(value);

Parameters:

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: In this example, the _.isBoolean() method returns true when the value is a boolean(true or false).

JavaScript

// Defining Lodash variable
const _ = require('lodash');

let val = true;

// Checking for Boolean
console.log("The Value is Boolean : "
    + _.isBoolean(val));

let val1 = false;

// Checking for Boolean
console.log("The Value is Boolean : "
    + _.isBoolean(val1));

Output:

The Value is Boolean : true
The Value is Boolean : true

Example 2: In this example, the _.isBoolean() method returns false when the value is a null value.

JavaScript

// Defining Lodash variable
const _ = require('lodash');

let 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 _.isBuffer() Method

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