Lodash _.isFunction() Method

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The 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:

Javascript

// Defining Lodash variable  
const _ = require('lodash');  
  
function Geeks(){ 
    var a="gfg"; 
} 
// Checking for Function 
console.log("The Value is Function : "
        + _.isFunction(Geeks));

Output:

The Value is Function : true

Example 2:

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: For _ object, it returns true.

Javascript

// Defining Lodash variable  
const _ = require('lodash');  
  
// Checking for Function 
console.log("The Value is Function : "
        + _.isFunction(_));