User:Ais523/highlightmyname.js

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//This script ([[User:ais523/highlightmyname.js]]) highlights all instances of the
//logged-in user's username on pages by giving them a bright red background. It only
//checks bodyContent, not titles or sidebars.
 
//<nowiki><pre>
function highlightmyname(n,p) //node, parent node
{
  while(n!=null)
  {
    if(n.nodeType==3) //text node
    {
      if(n.data.toLowerCase().indexOf(wgUserName.toLowerCase())!=-1)
      {
        var ix=n.data.toLowerCase().indexOf(wgUserName.toLowerCase());
        var t1=ix?document.createTextNode(n.data.substr(0,ix)):null;
        var t2=document.createTextNode(n.data.substr(ix,wgUserName.length));
        var t3=ix+wgUserName.length==n.data.length?null:
          document.createTextNode(n.data.substr(ix+wgUserName.length));
        var s1=document.createElement("SPAN");
        s1.style.backgroundColor="#FF0000";
        s1.appendChild(t2);
        var s2=document.createElement("SPAN");
        if(t1!=null) s2.appendChild(t1);
        s2.appendChild(s1);
        if(t3!=null) s2.appendChild(t3);
        p.replaceChild(s2,n);
        if(t3!=null) highlightmyname(t3,s2); //find remaining occurences in the new nodes
        n=s2.nextSibling;
      }
      else
        n=n.nextSibling;
    }
    else
    {
      if(n.firstChild!=null) highlightmyname(n.firstChild,n);
      n=n.nextSibling;
    }
  }
}
 
addOnloadHook(function() {
  if(location.href.indexOf("?ais523")==-1&&location.href.indexOf("&ais523")==-1)
    highlightmyname(document.getElementById('bodyContent').firstChild,
                    document.getElementById('bodyContent'));
});
//</pre></nowiki>
//[[Category:Wikipedia scripts]]