Script to remove all apps from https://www.facebook.com/settings?tab=applications Compressed url form below, ready for pasting.

Source.js

// ==ClosureCompiler==
// @output_file_name default.js
// @compilation_level ADVANCED_OPTIMIZATIONS
// ==/ClosureCompiler==

(function () {
    var el = document.createElement('div'),
        b = document.getElementsByTagName('body')[0];
    otherlib = false, msg = '';
    el.style.position = 'fixed';
    el.style.height = '32px';
    el.style.width = '220px';
    el.style.marginLeft = '-110px';
    el.style.top = '0';
    el.style.left = '50%';
    el.style.padding = '5px 10px';
    el.style.zIndex = 1001;
    el.style.fontSize = '12px';
    el.style.color = '#222';
    el.style.backgroundColor = '#f99';
    if (typeof jQuery != 'undefined') {
        msg = 'This page already using jQuery v' + jQuery.fn.jquery;
        return showMsg();
    } else if (typeof $ == 'function') {
        otherlib = true;
    }
    function getScript(url, success) {
        var script = document.createElement('script');
        script.src = url;
        var head = document.getElementsByTagName('head')[0],
            done = false;
        script.onload = script.onreadystatechange = function () {
            if (!done && (!this.readyState || this.readyState == 'loaded' || this.readyState == 'complete')) {
                done = true;
                success();
                script.onload = script.onreadystatechange = null;
                head.removeChild(script);
            }
        };
        head.appendChild(script);
    }
    getScript('http://code.jquery.com/jquery-latest.min.js', function () {
        if (typeof jQuery == 'undefined') {
            msg = 'Sorry, but jQuery wasn\'t able to load';
        } else {
            msg = 'This page is now jQuerified with v' + jQuery.fn.jquery;
            if (otherlib) {
                msg += ' and noConflict(). Use $jq(), not $().';
            }
        }
        return showMsg();
    });

    function showMsg() {
        el.innerHTML = msg;
        b.appendChild(el);
        window.setTimeout(function () {
            if (typeof jQuery == 'undefined') {
                b.removeChild(el);
            } else {
                jQuery(el).fadeOut('slow', function () {
                    jQuery(this).remove();
                });
                if (otherlib) {
                    $jq = jQuery.noConflict();
                }
            }
        }, 2500);
    }


var delay = 10;
var del1 = function() {
var x = $jq("label.fbSettingsListItemDelete.uiCloseButton.uiCloseButtonSmall input[title=Remove]").last();
if(!x.length) { return; }
x.click();

setTimeout(del2, delay);
}
var del2 = function() {
var button = $jq("input[name=remove][value=Remove]:visible");
if(button.length) {
button.click();
setTimeout(del3, delay);
} else {
setTimeout(del2, delay);
}
}
var del3 = function() {
var button = $jq("input[name=ok][value=OK]:visible");
if(button.length) {
button.click();
setTimeout(del1, delay);
} else {
setTimeout(del3, delay);
}
}

del1();
})();

Url+Compressed.js

javascript:(function(){function e(){var a=$jq("input[name=ok][value=OK]:visible");a.length?(a.click(),setTimeout(c,10)):setTimeout(e,10)}function d(){var a=$jq("input[name=remove][value=Remove]:visible");a.length?(a.click(),setTimeout(e,10)):setTimeout(d,10)}function c(){var a=$jq("label.fbSettingsListItemDelete.uiCloseButton.uiCloseButtonSmall input[title=Remove]").d();a.length&&(a.click(),setTimeout(d,10))}function f(){a.innerHTML=msg;g.appendChild(a);window.setTimeout(function(){"undefined"==typeof jQuery?
g.removeChild(a):(jQuery(a).c("slow",function(){jQuery(this).remove()}),otherlib&&($jq=jQuery.e()))},2500)}var a=document.createElement("div"),g=document.getElementsByTagName("body")[0];otherlib=!1;msg="";a.style.position="fixed";a.style.height="32px";a.style.width="220px";a.style.marginLeft="-110px";a.style.top="0";a.style.left="50%";a.style.padding="5px 10px";a.style.zIndex=1001;a.style.fontSize="12px";a.style.color="#222";a.style.backgroundColor="#f99";if("undefined"!=typeof jQuery)return msg=
"This page already using jQuery v"+jQuery.a.b,f();"function"==typeof $&&(otherlib=!0);(function(a,e){var b=document.createElement("script");b.src=a;var c=document.getElementsByTagName("head")[0],d=!1;b.onload=b.onreadystatechange=function(){if(!d&&(!this.readyState||"loaded"==this.readyState||"complete"==this.readyState))d=!0,e(),b.onload=b.onreadystatechange=null,c.removeChild(b)};c.appendChild(b)})("http://code.jquery.com/jquery-latest.min.js",function(){"undefined"==typeof jQuery?msg="Sorry, but jQuery wasn't able to load":
(msg="This page is now jQuerified with v"+jQuery.a.b,otherlib&&(msg+=" and noConflict(). Use $jq(), not $()."));return f()});c()})();

UrlCompressed.js

javascript:(function(){function e(){var a=$jq("input[name=ok][value=OK]:visible");a.length?(a.click(),setTimeout(c,10)):setTimeout(e,10)}function d(){var a=$jq("input[name=remove][value=Remove]:visible");a.length?(a.click(),setTimeout(e,10)):setTimeout(d,10)}function c(){var a=$jq("label.fbSettingsListItemDelete.uiCloseButton.uiCloseButtonSmall input[title=Remove]").d();a.length&&(a.click(),setTimeout(d,10))}function f(){a.innerHTML=msg;g.appendChild(a);window.setTimeout(function(){"undefined"==typeof jQuery?
g.removeChild(a):(jQuery(a).c("slow",function(){jQuery(this).remove()}),otherlib&&($jq=jQuery.e()))},2500)}var a=document.createElement("div"),g=document.getElementsByTagName("body")[0];otherlib=!1;msg="";a.style.position="fixed";a.style.height="32px";a.style.width="220px";a.style.marginLeft="-110px";a.style.top="0";a.style.left="50%";a.style.padding="5px 10px";a.style.zIndex=1001;a.style.fontSize="12px";a.style.color="#222";a.style.backgroundColor="#f99";if("undefined"!=typeof jQuery)return msg=
"This page already using jQuery v"+jQuery.a.b,f();"function"==typeof $&&(otherlib=!0);(function(a,e){var b=document.createElement("script");b.src=a;var c=document.getElementsByTagName("head")[0],d=!1;b.onload=b.onreadystatechange=function(){if(!d&&(!this.readyState||"loaded"==this.readyState||"complete"==this.readyState))d=!0,e(),b.onload=b.onreadystatechange=null,c.removeChild(b)};c.appendChild(b)})("http://code.jquery.com/jquery-latest.min.js",function(){"undefined"==typeof jQuery?msg="Sorry, but jQuery wasn't able to load":
(msg="This page is now jQuerified with v"+jQuery.a.b,otherlib&&(msg+=" and noConflict(). Use $jq(), not $()."));return f()});c()})();