4chan Image Roll Script

I made this to roll for images in 4chan threads. I'm not sure why myself...

Verze ze dne 11. 11. 2018. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         4chan Image Roll Script
// @namespace    http://tampermonkey.net/
// @version      4.20
// @description  I made this to roll for images in 4chan threads. I'm not sure why myself...
// @author       Taylor aka Dildoer the Cocknight
// @match        http://boards.4chan.org/*
// @match        https://boards.4chan.org/*
// @grant        none
// ==/UserScript==

(function() {

//add CSS
var css = document.createElement("style");
css.type = "text/css";
css.innerHTML = ".selectedIMG{ background-image: url(\"http://www.pngmart.com/files/3/Left-Arrow-PNG-File.png\"); animation: blinker 1s linear infinite; background-repeat: no-repeat; background-position: center; width: 100%!important; background-size: 10% 100%; } #rollBtn { position: fixed; bottom: 0; right: 0; opacity: .5; margin: 5px; font-size:15px; border-radius: 50%; } #rollFlash { position: fixed; bottom: 0; right: 0; margin: 30px; animation: blinker 1s linear infinite; } @keyframes blinker { 50% { opacity: 0; } }";
document.body.appendChild(css);

//add a function called imgRoll()
function imgRoll() {
//check if .selectedIMG is there
if (document.querySelector(".selectedIMG") !== null ) {
document.querySelector(".selectedIMG").classList.remove("selectedIMG");
}

var images = document.querySelectorAll('.fileThumb');
var randomGen = Math.floor(Math.random() * images.length);
var totalNum = images.length - 1;

console.log('You rolled number ' + randomGen + ' out of ' + totalNum);
console.log(images[randomGen]);


//flash message
    function flashMessage() {
    //check if #rollFlash exists
    if (document.querySelector("#rollFlash") !== null ) {
        document.querySelector("#rollFlash").remove();
    }

    var flashItem = document.createElement("span");
    var textnode = document.createTextNode('You rolled number ' + randomGen + ' out of ' + totalNum);
    flashItem.id = "rollFlash";
    flashItem.appendChild(textnode);
    var beforeBtn = document.getElementById("rollBtn");
    beforeBtn.before(flashItem);

    //turn it into a timeout so it's an actual flash message
        setTimeout(function(){
            document.querySelector("#rollFlash").remove();
            document.querySelector(".selectedIMG").classList.remove("selectedIMG");
        }, 5000);
}

//Add selectedIMG class (Blinking arrow), then scroll to the selected image
images[randomGen].classList.add("selectedIMG");
images[randomGen].scrollIntoView({ block: 'center', behavior: 'smooth' });
flashMessage();
}

//create a roll button
    var btn = document.createElement("BUTTON");
    var textRoll = document.createTextNode("⚄");
    btn.id = 'rollBtn';
    btn.appendChild(textRoll);
    document.body.appendChild(btn);

//make the button roll
document.getElementById("rollBtn").onclick = imgRoll;

})();