You can also try these related scripts:

• Telegram Spam - Spamming!
• WhatsApp Right-Click Dropdown Menu - Opens the options menu of a message on right-click in WhatsApp Web, replacing normal right click behavior.
• WhatsApp Web - Chat Bot - A chat bot for WhatsApp Web, with some basic commands. Check console for log.
• WhatsApp Web Background Changer - Change WhatsApp Web Chat Background
• WhatsApp online notifier - Notifies you when a user comes online. This script will only work if have a tab open and navigated to https://web.whatsapp.com/ and have selected a person. The next time this person comes online you should hear a bleeb. *Bleeb*!