Filter null from an array in JavaScript

Question

I have a task to remove false, null, 0, "", undefined, and NaN elements from an given array. I worked on a solution which removes all except null. Anyone can expla

Answer 1

You can use Array.prototype.filter for truthy value check - see demo below:

function bouncer(array) {
  return array.filter(function(e) {
    return e;
  });
}

console.log(bouncer([1,"", null, NaN, 2, undefined,4,5,6]));