https://sanfranciscochinatown.com/breadcrumbs.js

1function breadcrumbs(){
2  sURL = new String;
3  bits = new Object;
4  var x = 0;
5  var stop = 0;
6  var output = "<a href=\"/\">Home</a>  >  ";
7  sURL = location.href;
8  sURL = sURL.slice(8,sURL.length);
9  chunkStart = sURL.indexOf("/");
10  sURL = sURL.slice(chunkStart+1,sURL.length)
11  while(!stop){
12    chunkStart = sURL.indexOf("/");
13    if (chunkStart != -1){
14      bits[x] = sURL.slice(0,chunkStart)
15      sURL = sURL.slice(chunkStart+1,sURL.length);
16    }else{
17      stop = 1;
18    }
19    x++;
20  }
21  for(var i in bits){
22    output += "<a href=\"";
23    for(y=1;y<x-i;y++){
24      output += "../";
25    }
26    output += bits[i] + "/\">" + bits[i] + "</a>  >  ";
27  }
28  document.write(output);
29}