Javascript in 4chan 404 defeater

4chan 404 defeater is a Firefox extension used to auto refresh 4chan threads in Firefox until they 404 (without showing a 404 screen):
Website:
http://spacetaken.net/44d/

Firefox extension:
http://spacetaken.net/44d/4chan404defeater_0-4.xpi

Greasemonkey script:
http://spacetaken.net/44d/4chan404defeater_0-4.user.js

Inside that .xpi is chandefeater.js and it's identical to the Greasemonkey script. I've been using 4chan 404 defeater for a while and I don't know anything about Javascript.

I want to modify that .js so instead of the default (auto F5'ing turned off (unchecked) and refresh rate set at every 2 minutes), I want the default to be checked and 8 minutes.

From window.saveCookies, it evidently saves a cookie for each open tab, saving the scroll position (44d_scroll_pos), the F5 interval (44d_f5_rate), and whether auto F5'ing (44d_auto_f5) is on/checked/true or off/unchecked/false.

I can view those cookies in Firefox through Tools > Options > Privacy > Show cookies and doing a Search for 4chan.

If I edit the .js and change:
var autoF5Rate = readCookie("44d_f5_rate", 2);
to
var autoF5Rate = readCookie("44d_f5_rate", 8);
..that changes the default refresh rate to 8 minutes.

But if I change:
var autoF5 = readCookie("44d_auto_f5", false);
to
var autoF5 = readCookie("44d_auto_f5", true);
..it does nothing.

The terms "checked" and "auto_f5_checker" both appear 6 times in that .js

The term "document.getElementById("auto_f5_checker").checked" appears 3 times in that .js

I think it has something to do with "onlick" and ".checked"

I'm currently focuses on these portions of code:

unsafeWindow.updateAutoF5 = function(){
    var checked = document.getElementById("auto_f5_checker").checked;
    //stop or start auto f5ing
    if(checked)
        autoF5TimerId = setInterval('doF5()', 1000*60*autoF5Rate);
    else
        clearInterval(autoF5TimerId);
}

unsafeWindow.validateRate = function(){
    var field = document.getElementById("ref_rate_mins");
    autoF5Rate = parseFloat(field.value);
    if(isNaN(autoF5Rate)) autoF5Rate = 1;
    else if(autoF5Rate < 0.1) autoF5Rate = 0.1;
    field.value = autoF5Rate;        //update to possibly different-to-inputted value
    if(document.getElementById("auto_f5_checker").checked){
        clearInterval(autoF5TimerId);
        autoF5TimerId = setInterval("doF5()", Math.round(1000*60*autoF5Rate));
    }
}

window.saveCookies = function(){
    writeCookie("44d_scroll_pos", document.body.scrollTop);
    if(document.getElementById("auto_f5_checker")){
        writeCookie("44d_f5_rate", autoF5Rate);   
        writeCookie("44d_auto_f5", document.getElementById("auto_f5_checker").checked);
    }
}

How do I make it so auto F5'ing is turned on by default in that .js but can still be turned off by unchecking the box (created by window.controlNode)?

All this "404 defeater" crap does not keep threads alive.
i.e. a simple autobump script > refresh tab each x seconds.

>>1
Uh, I think it'd be a better idea to make an extension that redirects to the archive when a thread is deleted so you can continue the discussion there.

I think someone already wrote a script like that, actually.

>>2-3
you both know very well what this script is really for.
it's for the sort of threads where people post things like "F5 F5 F5" and "in b4 404".
but not saving the images makes it pretty useless even for that.

>>4
Can't you just open 2 tabs and refresh them in sequence?
(sort of STABLE/CURRENT branch)

>>2

It's not intended to keep threads alive. It provides a soft refresh.

It allows a user to see the last comment in a thread before it 404'd and allows the user to save the entire thread.

>>4

It would be nice if 404 defeater also saved all the images, but it does still let you save all the thumbnails.

I'm using Downthemall to save images, but I'm thinking of switching to Chanmongler.

My greasemonkey script updates the posts in place with ajax, and auto-expands every image. So if I see a thread with comic strips and I can't be bothered F5'ing, I just open it in another tab and come back to it later. Works really nicely in /gif/. No, you can't have it because you are all dick heads.

>>8

Well, there are several Greasemonkey scripts that turn up in a search for "4chan expand" at userscripts.org

http://userscripts.org/scripts/search?q=4chan+expand&sort=installs

It would be nice if they fixed the 4chan Firefox extension to work with 3.1

>>10
http://4chan.wrathfilledhate.net/ e-mail DamageInc (wrathfilledhate@gmail.com) also, support thread in /comp/ http://dis.4chan.org/read/comp/1203116978

>>1

If you have Greasemonkey, try

4chan all-in-one
http://userscripts.org/scripts/show/42873

It looks to have an auto updater function.

>>12
Please grease my monkey with your /prog/snake

Don't use cookies to store data, they are for IDs and such. Use localStorage (which is globalStorage[location.hostname] in Firefox)

>>14

I didn't write the extension. If I knew how to contact them, I would.

I've noticed that when Firefox crashes, some of the cookies are still good and some are lost.

Would a crash affect localStorage?

>>1

Search for 4chan update
http://userscripts.org/scripts/search?q=4chan+update

I see several

>>8

Someone could do that with the Greasemonkey scripts
4chan Expand All Images
http://userscripts.org/scripts/show/33217
+
4chan 404 defeater
http://spacetaken.net/44d/4chan404defeater_0-4.user.js

But you have to turn both on in each tab.

>>17
No, when a page refreshes, all the pics go back to thumbnails with expand all images.

>>18
Can't you read? There's a + button to expand all images. It doesn't happen automatically. Naturally the images will be still thumbnailed if you refresh the page.
If you want it to happen automatically, just modify the script.

Also lol'd at the terrible code this script contains.

Also lol'd at the terrible code this script contains. 

That's because it's Javascript, which is OPTIMIZED for shitty code

>>20
JavaScript can be optimized enough for video games.
http://www.nihilogic.dk/labs/mariokart/

____________________________________
Eternity lies ahead of us, and behind.

>>21
It's not Mario Kart without power slides and shells.

>>22
"Its not an AI without an inference engine"

________________________________________________
...what we call education and culture is for the most part nothing but the substitution of reading for experience, of literature for life, of the obsolete fictitious for the contemporary real...

double dash my anus

>>19

O RLY brainiac?

How would you modify Expand All Images to expand them automatically or keep them expanded after a refresh?

>>1

Install Greasemonkey and the Greasemonkey version of the script.

You can change it on the fly and see the results.

    var autoF5Rate = readCookie("44d_f5_rate", 6);
    var scrollPos = readCookie("44d_scroll_pos", 450);

That changes the default refresh rate to 6, and the default scroll position to 450 (which is where the first post appears if Adblock Plus is running).

>>26

470 is even better

>>24
Back to Nintendo Gamecube, please.

>>25
Don't even want to touch that piece of shit. Just use this.

// ==UserScript==
// @include http://*.4chan.org/*html
// @name Auto-Expand images
// @author Anonymous
// @version 13-03-09
// @description Enjoy your load times.
// ==/UserScript==

var images = document.evaluate("//a/img[@align='left']",
    document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);

for (var i = 0; i < images.snapshotLength; ++i) {
    var img = images.snapshotItem(i);
    var newSrc = img.parentNode.href;
    img.parentNode.parentNode.replaceChild(img, img.parentNode);
    img.removeAttribute('width');
    img.removeAttribute('height');
    img.setAttribute('src', newSrc);
}

>>29
I will, along with my job.

>>29
Thanks! How do I set the images to fit-width?

>>31
Terrible!

Doesn't work with safari

>>30-32
THE FUCK ON?

It's really tedious to put a checkmark in each box in each open tab.

Anyway to modify that greasemonkey script so it's checked by default?

>>35
You could try this AJAX greasemonkey script
http://userscripts.org/scripts/show/66242

>>36
I can't get that AJAX updater to work.

I thought maybe it was because it required jQuery.

I went here
http://joanpiedra.com/jquery/greasemonkey/

and installed the jQuery greasemonkey script
http://joanpiedra.com/jquery/greasemonkey/jquery.user.js

and that AJAX script is still not working.

I even tried pasting the AJAX script code into the code here:
http://joanpiedra.com/jquery/greasemonkey/


// Add jQuery
    var GM_JQ = document.createElement('script');
    GM_JQ.src = 'http://jquery.com/src/jquery-latest.js';
    GM_JQ.type = 'text/javascript';
    document.getElementsByTagName('head')[0].appendChild(GM_JQ);

// Check if jQuery's loaded
    function GM_wait() {
        if(typeof unsafeWindow.jQuery == 'undefined') { window.setTimeout(GM_wait,100); }
    else { $ = unsafeWindow.jQuery; letsJQuery(); }
    }
    GM_wait();

// All your GM code must be inside this function
    function letsJQuery() {
        alert($); // check if the dollar (jquery) function works
    }

And it's not working. When I click on the @ a small window pops up with

function (selector, context) {
  return new (jQuery.fn.init)(selector, context);
}

I also downloaded this
http://jquery.com/src/jquery-latest.js

renamed it jquery-latest.user.js and installed it in Greasemonkey. It's not working.

I also downloaded this
http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js

renamed it jquery.min.user.js and installed in Greasemonkey. It's not working.

I get that same small window popup.

Only a Vizard can defeat 404

Just get 4chan X and ya4cie to expand images.
If you want to save images from dead threads using DownThemAll you'll have to hack it because for some absolutely braindead reason it bypasses the cache by default (which also makes regular saving not work anymore, thanks DownThemAll!). I have no idea why the fuck it would do that but it's an easy fix. Simply grep for "cache" through the source and delete one line.
Of course, you can also just install squid and let it serve the cached images even when requested with "no-cache" headers.

lol googling 4chan auto expand points to this thrad now :D

>>41
www.usingenglish.com
www.englishuk.com/en

>>40
They do that to ensure you don't get stale data.

<-- check em dubz

46 Name: Anonymous 2011-03-23 1:15

>>1
>I want to modify that .js so instead of the default (auto F5'ing turned off (unchecked) and refresh rate set at every 2 minutes), I want the default to be checked and 8 minutes.

There's a very dirty way to do this in Greasemonkey. Edit the script.

Find the else that has the following after it:
clearInterval(autoF5TimerId);

Remove that and paste the code from the if above:
autoF5TimerId = setInterval('doF5()', 1000*60*autoF5Rate);

This makes it auto F5 no matter if the checkbox is checked or not. But you will no longer be able to change the refresh rate via the box, only by editing the live code.

To change the refresh rate to 8 minutes, find
readCookie("44d_f5_rate",

Then change the number after it to 8

You may also need to change the line above that (change the false to true).