hasMany javascript Code Snippet in 2025
arraybeginner
Last Updated: 12 December 2025
Checks if an array has more than one value matching the given function.
- Use
Array.prototype.filter()in combination withfnto find all matching array elements. - Use
Array.prototype.lengthto check if more than one element matchfn.
const hasMany = (arr, fn) => arr.filter(fn).length > 1;hasMany([1, 3], x => x % 2); // true
hasMany([1, 2], x => x % 2); // falsejavascript snippet similar to hasMany For You in December 2025
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