none javascript Code Snippet in 2025
arraybeginner
Last Updated: 21 October 2025
Checks if the provided predicate function returns false for all elements in a collection.
- Use
Array.prototype.some()to test if any elements in the collection returntruebased onfn. - Omit the second argument,
fn, to useBooleanas a default.
const none = (arr, fn = Boolean) => !arr.some(fn);none([0, 1, 3, 0], x => x == 2); // true none([0, 0, 0]); // true
javascript snippet similar to none For You in October 2025
Subscribe to our Newsletter
Subscribe to get resources directly to your inbox. You won't receive any spam! ✌️