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Lodash _.overArgs() Method - GeeksforGeeks

Last Updated : 03 Sep, 2024

Lodash _.overArgs() method is used to create a function that invokes func with its arguments transformed using the given transforms function.

_.overArgs(func, transforms );

• func: This parameter holds the function to wrap.
• transforms: This parameter holds the function that specifies the argument transforms. It is an optional parameter.

• This method returns the new function.

Example 1: In this example, we are using the lodash _.overArgs() method and passing two parameters to it, which is calling two other functions respectively and giving the output as an array in the console.

// Requiring the lodash library  
const _ = require("lodash");

// Function to calculate the
// Cube of a number
function Cube(number) {
    return number * number * number;
}

// Function to calculate the
// triple value of a number 
function Triple(number) {
    return number * 3;
}

// Using the _.overArgs() method  
let func = _.overArgs(function (a, b) {
    return [a, b];
}, [Cube, Triple]);

// print the output 
console.log(func(3, 5));

Output:

[27, 15]

Example 2: In this example, we are using the lodash _.overArgs() method and passing two parameters to it, which is calling two other functions respectively and giving the output as an array in the console.

// Requiring the lodash library  
const _ = require("lodash");

// Function to calculate the
// double value of a number
function doubled(number) {
    return number * 2;
}

// Function to calculate the
// square value of a number 
function square(number) {
    return number * number;
}

// Using the _.overArgs() method  
let func = _.overArgs(function (a, b) {
    return [a, b];
}, [square, doubled]);

// print the output 
console.log(func(5, 8));

Output:

[25, 16]

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