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lodash.foreach
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The lodash.foreach package is a utility library that provides a method for iterating over elements of a collection (arrays, objects, and strings) and invoking a function for each element. It is part of the larger Lodash library, which is known for its utility functions for common programming tasks.
Iterating over arrays
This feature allows you to iterate over each element in an array and perform an action on each element. In this example, it logs each value in the array to the console.
const forEach = require('lodash.foreach');
const array = [1, 2, 3];
forEach(array, function(value) {
console.log(value);
});
Iterating over objects
This feature allows you to iterate over each key-value pair in an object and perform an action on each pair. In this example, it logs each key and value to the console.
const forEach = require('lodash.foreach');
const object = { 'a': 1, 'b': 2, 'c': 3 };
forEach(object, function(value, key) {
console.log(key, value);
});
Iterating over strings
This feature allows you to iterate over each character in a string and perform an action on each character. In this example, it logs each character to the console.
const forEach = require('lodash.foreach');
const string = 'abc';
forEach(string, function(value) {
console.log(value);
});
The async package provides utility functions for working with asynchronous JavaScript. It includes methods for iterating over collections, such as async.each, which is similar to lodash.foreach but designed for asynchronous operations.
The underscore package is another utility library that provides a variety of functions for common programming tasks. It includes the _.each method, which is similar to lodash.foreach and can be used to iterate over arrays and objects.
The ramda package is a functional programming library for JavaScript. It includes the R.forEach function, which is similar to lodash.foreach and can be used to iterate over arrays and objects in a functional programming style.
The modern build of lodash’s _.forEach
exported as a Node.js/io.js module.
Using npm:
$ {sudo -H} npm i -g npm
$ npm i --save lodash.foreach
In Node.js/io.js:
var forEach = require('lodash.foreach');
See the documentation or package source for more details.
FAQs
The lodash method `_.forEach` exported as a module.
We found that lodash.foreach demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
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