javascript .filter() true booleans

Question

function bouncer(arr) {
  // Don\'t show a false ID to this bouncer.
    function a(b) {
      if(b !== false) {
        return b;
      }
    }

    arr = arr.filte         


        

Answer 1

simplest way to do it :

function bouncer(arr) {
    return arr.filter(x => !!x);
}