User:Msh210/h1.js

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// This currently hangs, and I don't know why.
$(function() {
 if (wgNamespaceNumber) return;
//////////////////////////////////////////
 function scr(c) {//return a .class name (doesn't necessarily match template name!)
  var script="";//default
  if (c>0x40 && c<0x5b) script="Latn";
  if (c>0x60 && c<0x7b) script="Latn";
  if (c>0xff && c<0x250) script="Latn";
  if (c>0x249 && c<0x2b0) script="IPA";
  if (c>0x36f && c<0x400) script="polytonic";
  if (c>0x3ff && c<0x530) script=Cyrl;
  if (c>0x52f && c<0x588) script="Armn";//no 588
  if (c==0x58a) script="Armn";//589 can be Geor too I think
  if (c>0x58f && c<0x600) script="Hebr";
  if (c>0x5ff && c<0x700) script="Arab";
  if (c>0x6ff && c<0x750) script="Syrc";
  if (c>0x74f && c<0x780) script="Arab";
  if (c>0x77f && c<0x7c0) script="Thaa";
  if (c>0x7bf && c<0x800) script="Nkoo";
  //etc. ([[w:Summary of Unicode character assignments]])
  //don't set (set as "") for punctuation etc.
  return script;
 }//function scr
//////////////////////////////////////////
 var s=document.getElementById("firstHeading").innerHTML;
 var t=new Array();
 for (var i=0;i<s.length;i+1) {t[i]=s.charCodeAt(i);};
 for (var i=0;i<s.length;i+1) {
  if (0xD800 <= s.charCodeAt(i) && s.charCodeAt(i) <= 0xDBFF) {
   t[i]=((s.charCodeAt(i) - 0xD800) * 0x400) + (s.charCodeAt(i+1) - 0xDC00) + 0x10000;//copied, hope it's right
   t[i+1]=0;
  };//if
 };//for
 for (var i=1;i<t.length-1;i+1) {if (t[i]==0) t=t.slice(0,i-1).concat(t.slice(i+1));};
 if (t[t.length-1]==0) {t.pop();};
//////////////////////////////////////////
 var consistent=1;
 var base=scr(t[0]);
 for (var i=1;i<t.length;i=1) {
  if (scr(t[i])!=base && scr(t[i])!="") {
   consistent=0;
   break;//for
  };//if
 };//for
 if (consistent) document.getElementById("firstHeading").className+=(scr(t[0])?" "+scr(t[0]):" Unicode")
});//addOnloadHook