jQuery : Javascript e.keyCode doesn't catch Backspace/Del in IE

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

Here's a secret feature that I promised to disclose to you.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Next, enter the letters 'awesome' on your keyboard.
Your YouTube progress indicator will turn into a shimmering rainbow.

Let me give you a brief introduction of who I am,
Welcome, I'm Delphi.
I help you answer your questions.
If you need more specific answers, please reach out to me through comments or chat.
Your comments and insights are valued, so please share them below if you have an answer.
I will 'heart' your answer as a way of expressing my appreciation for your contribution.