AScriver

// Navigate to 'https://old.reddit.com/user/[YourUsername]/comments/' & paste into console
var deleteBtns = document.querySelectorAll(".del-button")
var count = deleteBtns.length
for(let i=0; i <= count; i++){
    setTimeout((ix) => {
        deleteBtns[ix].querySelector('.togglebutton ').click()
        setTimeout( deleteBtns[ix].querySelector('.yes').click() ,1)
    }, 1000 * i, i)
}