title: JS / Jquery - Remove multiple elements from an array by keys
body: <p>I have a set of keys (for example 2,3,4,101,102,454).</p>
  
  <p>I'd like to remove elements with these keys from an array.
  Is there a way to remove them all at once?</p>
  
  <p>I tried iterating through <code>for</code> loop, and using <code>splice</code>
  to remove elements one by one, but that never removed
  all elements - my guess is because it modifies the
  array I'm looping through.</p>