Lodash _.isFunction() Method
Lodash _.isFunction() Method checks whether the given value is a function object or not and returns the corresponding boolean value.
Syntax:
_.isFunction( value )
Parameters:
This method accepts single parameter as mentioned above and described below:
- value: This parameter holds the value that to be checked for a function object.
Return Value:
This method returns a Boolean value(Returns true if the given value is Function object number, else false).
Example 1: In this example, the code defines a function and uses Lodash’s _.isFunction
method to check if the provided value is a function, and then it displays the result in the console.
Javascript
// Defining Lodash variable const _ = require( 'lodash' ); function Beginner(){ let a= "gfg" ; } // Checking for Function console.log( "The Value is Function : " + _.isFunction(Beginner)); |
Output:
The Value is Function : true
Example 2: In this example, the code utilizes Lodash’s _.isFunction
method to check if the provided value, which is a string (“Function”), is a function, and then displays the result in the console.
Javascript
// Defining Lodash variable const _ = require( 'lodash' ); // Checking for Function console.log( "The Value is Function : " + _.isFunction( "Function" )); |
Output:
The Value is Function : false
Example 3: In this example, the code defines a Lodash variable and uses Lodash’s _.isFunction
method to check if the provided value, which is the Lodash library itself, is a function, and then displays the result in the console.
For _ object, it returns true.
Javascript
// Defining Lodash variable const _ = require( 'lodash' ); // Checking for Function console.log( "The Value is Function : " + _.isFunction(_)); |
Output:
The Value is Function : true
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