Filter in Javascript
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