WhatsApp - Delete Ads/Business Chats (No App, No Root - Only Browser) - This script deletes all business chats from WhatsApp Web. It is useful since most business chats are spam and are not useful. This script is to be run in the console of the WhatsApp Web page.

whatsapp-delete-ads-business-chats.js

/* 
    Author: Rudra Roy
    Tutodial/Demo: https://www.youtube.com/watch?v=KsMNGolq-Fs
    Description: 
    This script deletes all business chats from WhatsApp Web.
    It is usefulsince most business chats are spam and are not useful.
    This script is to be run in the console of the WhatsApp Web page.
 */

const contextMenuEvent = new MouseEvent("contextmenu", {
    bubbles: true,
    cancelable: true,
    view: window,
    button: 2, // 2 represents the right mouse button
});

const getDeleteButton = async (el) => {
    el.dispatchEvent(contextMenuEvent)
    await new Promise(resolve => setTimeout(resolve, 200));
    let delButton = document.querySelector('[aria-label="Delete chat"')
    if(!delButton) {
        return getDeleteButton(el) // Retry
    }
    else return delButton
}

const deleteChats = async () => {
    let businessChats = document.querySelectorAll("[data-icon=psa-verified]");
    console.log(businessChats, "businessChats")
    for await (let chat of businessChats) {
        delButton = await getDeleteButton(chat)
        delButton.click()
        await new Promise(resolve => setTimeout(resolve, 200));
        model = document.querySelector('[aria-label="Delete this chat?"')
        model.querySelectorAll('button')[1].click()
        await new Promise(resolve => setTimeout(resolve, 200));
    }
    chats.style.overflow = 'auto';
}

chats = document.getElementById('pane-side')
chats.style.overflow = "initial"
setTimeout(deleteChats, 500)