title: How to remove nth character from the string?
body: <p>I have a string with certain amount of commas. I want to find index of 5-th comma and then splice it. How can I do it? </p>
  
  <p>Like this string: <code>"This, is, my, javascript, string, to, present"</code> </p>
  
  <p>Turn into this: <code>"This, is, my, javascript, string to, present"</code></p>