Спам-бот для webinar.ru

function getSessionId(url) {
    var splitted = url.split("/")
    return splitted[splitted.length - 1]
}

var url = window.location.href
var sessionId = getSessionId(url)

function sendMessage(text) {
    var request = new XMLHttpRequest()
    request.open("POST", `https://events.webinar.ru/api/eventsessions/${sessionId}/chat`)
    request.setRequestHeader("Content-Type", "application/json")
    request.send(`{"text":"${text}"}`)
}

var main = document.createElement("div")
main.setAttribute("style", "z-index: 99999; box-sizing: content-box; -webkit-box-sizing: content-box; position:fixed; height:5vh; width:50vw; left:15vw; bottom:0px; background-color: rgb(235, 235, 235); border: 1px solid rgb(220, 220, 220); border-radius: 5px; display: grid; grid-template-rows: 1fr; grid-template-columns: 1fr 1fr 1fr; grid-gap: 0.5vw; padding: 0.5vw;")
var input = document.createElement("input")
input.value = "Сообщение для спама"
var delayInput = document.createElement("input")
delayInput.type = "number"
delayInput.value = 500
var button = document.createElement("button")
button.innerText = "Начать спам"
main.appendChild(input); main.appendChild(delayInput); main.appendChild(button)
document.body.appendChild(main)

var spamming = false
button.onclick = () => {
    spamming = !spamming
    if (spamming) {
        button.innerText = "Закончить спам"
        var interval = setInterval(() => {
            if (!spamming) {
                clearInterval(interval)
            }
            sendMessage(input.value)
        }, delayInput.value)
    } else {
        button.innerText = "Начать спам"
    }
}