Posted By

Arvi on 12/16/10

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Last Edited at 12/16/10 02:30pm

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Javascript - Manipulating currency for display and computation

/ Published in: JavaScript

Used to easily display or compute for prices e.g shopping cart.

Thousands separator regex based on Paul Creasey.

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jQuery(document).ready(function($) {

$.currency = {

displayFormat: function(amount)
       {
           amount = $.currency.convert_to_decimal(amount);
           amount = $.currency.add_thousands_separator(amount);
           
           return amount;
       },

computeFormat: function(amount)
       {
           amount = $.currency.remove_thousands_separator(amount);
           amount = $.currency.convert_to_decimal(amount);

return amount;
       },

add_thousands_separator: function(amount)
       {
            amount = String(amount);
            amount = amount.replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1,");

return amount;
       },

remove_thousands_separator: function(amount)
       {
           amount = String(amount);
           amount = amount.replace(/\,/g, "");

return amount;
       },

convert_to_decimal: function(amount)
       {
           amount = Number(amount).toFixed(2);

return amount;
       }
   };
});

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Javascript - Manipulating currency for display and computation

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