Skip to main content

Filter Method

Filter​

Description

The filter() method creates a new array filled with elements that pass a test provided by a function.

The filter() method does not change the original array.

Syntax

array.filter(function(currentValue, index, arr), thisValue)

Example

const numbers = [-1, 5, -2, 10, 7, -6, 8];

const positiveNumber = numbers.filter((num, i) => {
  if (num > 0) {
    return true;
  }
});

console.log(positiveNumber);

Output

[5, 10, 7, 8];