find multiple items in array javascript code example

Example 1: javascript get same elments from multiple arrays

var result = arrays.shift().filter(function(v) {
    return arrays.every(function(a) {
        return a.indexOf(v) !== -1;
    });
});

Example 2: typoescript find multiple items in array and return found

let names= ["Style","List","Raw"];
let results= names.filter(x => x.includes("s"));
console.log(results); //["List"]