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Lodash _.max

Overview

The lodash _.max method is a useful utility function that can be used to retrieve the maximum value from an array or object. This method is part of the popular Lodash library and is commonly used in JavaScript applications and programming. Here is a comprehensive overview of this method:

Syntax:

_.max(collection, [iteratee=_.identity])

Parameters:

  • collection (Array|Object): The collection to iterate over.
  • [iteratee=_.identity] (Function): The iteratee invoked per element.

Return Value:

  • (*): Returns the maximum value.

Description: The _.max method returns the maximum value from a collection including arrays and objects. By default, it returns the highest value in the given collection, but the optional iteratee function can be used to customize the comparison logic.

In the case of an array, the values are compared numerically or alphabetically based on their types. If the array contains objects, the iteratee function can be used to specify the property used for comparison.

Here is an example of using the _.max method with an array:

const array = [4, 2, 8, 6];
_.max(array);
// => 8

In this example, the _.max method returns the highest value in the array, which is 8.

Here is an example of using the _.max method with an object:

const object = { 'a': 4, 'b': 2, 'c': 8, 'd': 6 };
_.max(object);
// => 8

In this case, the _.max method returns the highest value in the object, which is 8.

Here is an example of using the _.max method with an array of objects with a custom iteratee function:

const objects = [
  { 'n': 1 },
  { 'n': 2 },
  { 'n': 3 }
];
_.max(objects, o => o.n);
// => { 'n': 3 }

In this example, the iteratee function is used to specify the property n of each object to be used for comparison. The _.max method then returns the object with the highest value for n, which is { 'n': 3 }.

Overall, the lodash _.max method is a useful utility function for retrieving the maximum value from arrays and objects in JavaScript applications.