Auction Sniper - Auto bid - Bid sniping

Hello,

Need simple chrome extension, js, or software for Auction Sniper.

Following needs to be done:
1. Set Your Maximum Bid: (last 2-4 seconds)
2. Place my Bid

Auction ended.

Pretty simple project.

More details I will sent privately.
Attached is image of website JavaScript Libraries and Functions.

Thanks,