Lodash _.forEach() method iterates over elements of the collection and invokes iteratee for each element.
Syntax:
_.forEach(collection, [iteratee = _.identity]);Parameters:
- collection: This parameter holds the collection to iterate over.
- iteratee: It is the function that is invoked per iteration.
Return Value:
This method returns the collection.
Example 1: In this example, we are iterating an array by the use of the _.forEach() method and printing the results in the console.
Javascript
// Requiring the lodash library const _ = require("lodash");
// Use of _.forEach() method _.forEach(['c', 'cpp', 'java', 'python'], function (value) {
console.log(value);
}); |
Output:
'c'
'cpp'
'java'
'python'
Example 2: In this example, we are iterating an object by the use of the _.forEach() method and printing the results in the console.
Javascript
// Requiring the lodash library const _ = require("lodash");
// Use of _.forEach() method _.forEach({ 'x': 1, 'y': 2 }, function (value, key) {
console.log(key);
}); |
Output:
'x'
'y'
Note: This will not work in normal JavaScript because it requires the library lodash to be installed.
Reference: https://lodash.com/docs/4.17.15#forEach