Lodash _.splat() Method

The _.splat() method takes a function that accepts one or more arguments and hence returns a function that takes an array and uses its elements as the arguments to the original function.

Syntax:

_.splat( function );

Parameters: This method accepts a single parameter as mentioned above and discussed below:

• function: original function containing arguments.

Return Value: This method returns a function.

Note: To execute the below examples, you have to install the lodash-contrib library by using this command prompt and execute the following command.

npm install lodash-contrib

Below examples illustrate the Lodash _.splat() method in JavaScript:

Example 1:

Javascript

// Defining lodash contrib variable
var _ = require('lodash-contrib');

function addNum (a, b) {
    return a + b;
}

var listTwoNamesFromArray = _.splat(addNum);

console.log( listTwoNamesFromArray([1, 10]) );

Output:

11

Example 2: 

Javascript

// Defining lodash contrib variable
var _ = require('lodash-contrib');

function addNum (a, b) {
    return a +" : "+ b;
}

var listTwoNamesFromArray = _.splat(addNum);

console.log( listTwoNamesFromArray(["GeeksforGeeks",
    "Computer Science Portal for Geeks"]) );

Output:

GeeksforGeeks : Computer Science Portal for Geeks