Lodash _.flip2() Method

The Lodash _.flip2() method returns a function that works identically to the given function but accepts the first two arguments in reverse order. The order of all rest arguments remains the same.

Syntax:

_.flip2( function );

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

• function: This method takes a function that takes some 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 _.flip2() method in JavaScript:

Example 1:

Javascript

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

function gfgFunc(a, b, c) {
    return "a = " + a +
          ", b = " + b +
          ", c = " + c;
}

var abc = _.flip2(gfgFunc);

console.log(abc(1, 2, 3));

Output:

a = 2, b = 1, c = 3

Example 2: 

Javascript

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

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

var gfg = _.flip2(gfgFunc);

console.log(gfg("GeeksforGeeks", "Computer Science Portal for Geeks"));

Output:

GeeksforGeeks : Computer Science Portal for Geeks