const removeAllCharactersOFFirstStringFromSecond = (first, second) => {
const arr = second.split("").filter(el => {
return !first.includes(el);
});
return arr.join("");
};
const first = "java programming";
const second = "node.js programming";
console.log(removeAllCharactersOFFirstStringFromSecond(first, second));
/*
run:
de.s
*/