What is foreach() in Javascript?

2026-10-07来源 dev.to JavaScriptEnglish

forEach() is an array method used to execute a function once for every element in an array.
(or)
forEach() is an array method that executes a callback function once for each element in an array.

Example:

let numbers = [10, 20, 30, 40, 50];

numbers.forEach(function(number) {
console.log(number);
});

Output:

10
20
30
40
50

原文:https://www.a8q9.cn/en/article/what-is-foreach-in-javascript-2f2961.html

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