| New file |
|---|
| 0,0 → 1,37 |
|---|
| if(!dojo._hasResource["dojox.validate.isbn"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. |
| dojo._hasResource["dojox.validate.isbn"] = true; |
| dojo.provide("dojox.validate.isbn"); |
| |
| dojox.validate.isValidIsbn = function(/* String */value) { |
| // summary: Vadlidate ISBN-10 or ISBN-13 based on the length of value |
| // returns: Boolean |
| var len, sum, weight; |
| if(typeof value!='string'){ |
| value = String(value); |
| } |
| value = value.replace(/[- ]/g,''); //ignore dashes and whitespaces |
| len = value.length; |
| sum = 0; |
| if(len == 10){ |
| weight = 10; |
| // ISBN-10 validation algorithm |
| for(var i = 0; i< 9; i++){ |
| sum += parseInt(value.charAt(i)) * weight; |
| weight --; |
| } |
| var t = value.charAt(9).toUpperCase(); |
| sum += t == 'X' ? 10 : parseInt(t); |
| return sum % 11 == 0; |
| }else if(len == 13) { |
| weight = -1; |
| for(var i=0; i< len; i++){ |
| sum += parseInt(value.charAt(i)) * (2 + weight); |
| weight *= -1; |
| } |
| return sum % 10 == 0; |
| }else{ |
| return false; |
| } |
| } |
| |
| } |