filter
Functions
filter()
filter<
T>(arrayOrPromise,callbackfn):Promise<T[]>
Creates a new array with all elements that pass the test implemented by the provided function.
Type Parameters
| Type Parameter |
|---|
T |
Parameters
| Parameter | Type | Description |
|---|---|---|
arrayOrPromise | T[] | Promise<T[]> | The array or Promise of an array to iterate over. |
callbackfn | (value, index, array) => boolean | Promise<boolean> | A function that accepts up to three arguments. The filter method calls the callbackfn function one time for each element in the array. |
Returns
Promise<T[]>
A Promise that resolves with a new array with the elements that pass the test.
Example
const array = [1, 30, 39, 29, 10, 13];
const result = await filter(array, (value) => value < 30);
console.log(result); // Output: [1, 29, 10, 13]