Note: After saving, you have to bypass your browser's cache to see the changes. Google Chrome, Firefox, Microsoft Edge and Safari: Hold down the ⇧ Shift key and click the Reload toolbar button. For details and instructions about other browsers, see Wikipedia:Bypass your cache.
/* disable Wikipedia access keys/keyboard shortcuts */
ta = false;

function addlilink(tabs, url, name, id, title, key){
    var na = document.createElement('a');
    na.href = url;
    na.appendChild(document.createTextNode(name));
    var li = document.createElement('li');
    if(id) li.id = id;
    li.appendChild(na);
    tabs.appendChild(li);
    na.accesskey = key;
    var pref = 'alt-';
    if(((clientPC.indexOf('AppleWebKit')!=-1) && (clientPC.indexOf('spoofer')==-1)) || navigator.userAgent.toLowerCase().indexOf( 'mac' ) != -1 ) pref = 'control-';
    if(clientPC.indexOf('opera')!=-1) pref = 'shift-esc-';
    if(key && title) na.title = title + ' [' + pref + key + ']';
    else if(title) na.title = title;
    else if(key) na.title = '[' + pref + key + ']';
    return li;
}

function addTab(url, name, id, title, key){
    var tabs = document.getElementById('p-cactions').getElementsByTagName('ul')[0];
    addlilink(tabs, url, name, id, title, key);
}

function addPurge(){
    ta['ca-purge'] = ['g', 'Purge the internal cache for this page'];
    var x = document.getElementById('ca-history');
    if(!x) return;
    if(x.children) x = x.children[0].href;
    else x = x.childNodes[0].href;
    addTab(x.replace(/=history/, "=purge"), 'purge', 'ca-purge');
    akeytt();
}

if (window.addEventListener) window.addEventListener("load", addPurge, false);
else if (window.attachEvent) window.attachEvent("onload", addPurge);


function addEditSection0() {
  ta['ca-edit-0'] = ['', 'Edit the zeroth section of this page'];
  if (!document.getElementById) return;
  x = document.getElementById('ca-edit');
  if(!x) return;
  y = document.createElement('LI');
  y.id = 'ca-edit-0';
  if (x.className == 'selected') {
    if (/&action=edit&section=0$/.test(window.location.href)) {
      x.className = 'istalk';
      y.className = 'selected';
    } else {
      x.className = 'selected istalk';
    }
  } else if (x.className == 'selected istalk') {
    if (/&action=edit&section=0$/.test(window.location.href)) {
      x.className = 'istalk';
      y.className = 'selected istalk';
    } else {
      y.className = 'istalk';
    }
  } else {
    y.className = x.className;
    x.className = 'istalk';
  }
  z = document.createElement('A');
  if (x.children) {
    z.href = x.children[0].href + '&section=0';
    z.appendChild(document.createTextNode('0'));
    y.appendChild(z);
    document.getElementById('p-cactions').children[1].insertBefore(y,x.nextSibling);
  } else {
    z.href = x.childNodes[0].href + '&section=0';
    z.appendChild(document.createTextNode('0'));
    y.appendChild(z);
    document.getElementById('p-cactions').childNodes[3].insertBefore(y,x.nextSibling);
  }
}

if (document.title.indexOf("Editing ") == -1) {
  if (window.addEventListener) window.addEventListener("load", addEditSection0, false);
  else if (window.attachEvent) window.attachEvent("onload", addEditSection0);
}

//


mw.loader.load('https://en.wikipedia.org/w/index.php?title=User:Interiot/Tool2/code.js&action=raw&ctype=text/javascript');



/* Wikipedia:WikiProject User scripts/Scripts/Add edit section 0 */

// Adds a tab allowing you to edit the 0th section of a page (the top area usually used as an introduction).

//

$(function () {
    var x;
    if (!(x = document.getElementById('ca-edit') )) return;
    var url;
    if (!(url = x.getElementsByTagName('a')[0] )) return;
    if (!(url = url.href )) return;
    var y = mw.util.addPortletLink('p-cactions', url+"&section=0", '0', 'ca-edit-0',
                           'Edit the lead section of this page', '0', x.nextSibling);

    y.className = x.className;  // steal classes from the the edit tab...
    x.className = 'istalk';     // ...and make the edit tab have no right margin

    // exception: don't steal the "selected" class unless actually editing section 0:
    if (/(^| )selected( |$)/.test(y.className)) {
        if (!document.editform || !document.editform.wpSection
            || document.editform.wpSection.value != "0") {
            y.className = y.className.replace(/(^| )selected( |$)/g, "$1");
            x.className += ' selected';
        }
    }
});

// 

//

// Script from [[User:Outriggr/metadata.js]]
document.write('<script type="text/javascript" src="' 
            + 'http://en.wikipedia.org/w/index.php?title=User:Outriggr/metadata.js' 
            + '&action=raw&ctype=text/javascript&dontcountme=s">');