how to filter an array by array code example

Example 1: filter array in js

const rebels = pilots.filter(pilot => pilot.faction === "Rebels");
const empire = pilots.filter(pilot => pilot.faction === "Empire");

Example 2: js filter array

const filterArray=(a,b)=>{return a.filter((e)=>{return e!=b})}

let array = ["a","b","","d","","f"];

console.log(filterArray(array,""));//>> ["a","b","d","f"]