Filter in Javascript

2026-10-07来源 dev.to JavaScriptEnglish

filter() is a JavaScript array method used to select elements that satisfy a condition.
It returns a new array and does not change the original array.

Example:

let numbers = [10, 15, 20, 25, 30];

let result = numbers.filter(function(number) {
return number > 20;
});

console.log(result);

Output:

[25, 30]

原文:https://www.a8q9.cn/en/article/filter-in-javascript-adf119.html

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