Tips for limiting decimals to two digits in AngularJS

In my AngularJS math operations, I am encountering an issue where the percentage/VAT price is displaying as 0.35000000000000003 instead of just 0.35. How can I trim the decimals after 2 digits?

0.35000000000000003 - Is there a way to limit this number to only 2 decimal places?

<table align="center">

            <h2>Tax Calculations</h2>

            <tr>
                <td>
                     Quantity: 
                </td>
                <td>
                 <asp:TextBox runat="server" ng-model="qty"/>
                </td>
            </tr>

              <tr>
                <td>
                     Unit Price: 
                </td>
                <td>
                 <asp:TextBox runat="server" ng-model="price"/>
                </td>
            </tr>
               <tr>
                <td>
                     Total Amount: 
                </td>
                <td>
                 <asp:TextBox runat="server" Text='{{qty * price}}' ReadOnly="true"/>
                </td>
               </tr>
            <tr>
                <td>
                     VAT Price at 5%: 
                </td>
                <td>
                 <asp:TextBox runat="server" Text='{{(qty * price )/100  * 5}}' ReadOnly="true"/>
                </td>
               </tr>
             <tr>
                <td>
                     Total With Tax: 
                </td>
                <td>
                 <asp:TextBox runat="server" Text='{{((qty * price )/100  * 5) + (qty*price)}}' ReadOnly="true"/>
                </td>
               </tr>
        </table>

Answer №1

If you're interested, check out this example using AngularJS

https://docs.angularjs.org/api/ng/filter/number

Just a friendly suggestion - try to avoid mixing ASP.NET and AngularJS code in the same tag

 // displaying numbers with two decimal places
 Negative number: <span>{{-val | number:2}}</span>

Answer №2

If you want to format a number in JavaScript, consider using the toFixed method as shown in this code snippet:

{{((quantity * unitPrice)/100 * taxRate).toFixed(2)}}

Answer №3

Feel free to test out

<asp:TextBox runat="server" Text='{{(quantity * cost )/100  * 5 | number:2}}' ReadOnly="true"/>

Answer №4

The angularjs document showcases a straightforward and elegant example that can be implemented in the following manner:

<script>
  angular.module('numberFilterExample', [])
    .controller('ExampleController', ['$scope', function($scope) {
      $scope.val = 1234.56789;
    }]);
</script>
<div ng-controller="ExampleController">
  <label>Enter number: <input ng-model='val'></label><br>
  Default formatting: <span id='number-default'>{{val | number}}</span><br>
  No fractions: <span>{{val | number:0}}</span><br>
  Negative number: <span>{{-val | number:4}}</span>
</div>

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