Created
September 20, 2011 16:23
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Base60 Converter
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset=utf-8 /> | |
| <title>Base60 Converter</title> | |
| </head> | |
| <body> | |
| <p><label for="n">Number</label><input id="n"> → <label for="s">Base 60</label><input id="s"></p> | |
| <script> | |
| ni = document.getElementById('n'); | |
| si = document.getElementById('s'); | |
| n.onkeyup = function() { | |
| si.value = num_to_sxg(this.value); | |
| } | |
| s.onkeyup = function() { | |
| ni.value = sxg_to_num(this.value); | |
| } | |
| function num_to_sxg(n) { | |
| s = ""; | |
| m = "0123456789ABCDEFGHJKLMNPQRSTUVWXYZ_abcdefghijkmnopqrstuvwxyz"; | |
| if (n===undefined || n===0) { return 0; } | |
| while (n>0) { | |
| d = n % 60; | |
| s = m[d]+s; | |
| n = (n-d)/60; | |
| } | |
| return s | |
| } | |
| function sxg_to_num(s) { | |
| n = 0; | |
| j = s.length; | |
| for (i=0;i<j;i++) { | |
| c = s.charCodeAt(i); | |
| if (c>=48 && c<=57) { c=c-48; } | |
| else if (c>=65 && c<=72) { c-=55; } | |
| else if (c==73 || c==108) { c=1; } | |
| else if (c>=74 && c<=78) { c-=56; } | |
| else if (c==79) { c=0; } | |
| else if (c>=80 && c<=90) { c-=57; } | |
| else if (c==95) { c=34; } | |
| else if (c>=97 && c<=107) { c-=62; } | |
| else if (c>=109 && c<=122) { c-=63; } | |
| else { c = 0; } | |
| n = 60*n + c; | |
| } | |
| return n; | |
| } | |
| </script> | |
| </body> | |
| </html> |
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A Javascript converter using http://tantek.pbworks.com/w/page/19402946/NewBase60