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Custom filter using  AngularJS

Posted on 2014-02-26
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Last Modified: 2014-02-26
Hi Experts,

I get a numeric value from a server and would like to format as a percent and display in the UI. How can I do this in Angularjs using custom filter? Here is my requirement

Data from server                     UI  

0                                 should display as NA
0.1234                        should display as 12.34%  //2 decimals
0.05                            should display as  5.00%  //2 decimals
6.24                            should display as  6.24%  

Thanks in Advance
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Question by:ksd123
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3 Comments
 
LVL 82

Assisted Solution

by:leakim971
leakim971 earned 150 total points
ID: 39890741
Test page : http://jsfiddle.net/ausS4/

var myApp = angular .module("myApp",[]) .controller(myCtrl) .factory("Data", function() { return { get: function() { return [0,0.1234,0.05,6.24]; } } }); var myCtrl = function($scope, Data) { $scope.numbers = []; var data = Data.get(); for(var i=0;i<data.length;i++) { $scope.numbers.push( myFormatter(data[i]) ); } } var myFormatter = function(value) { value = value * 1; if(value == 0) { return "NaN"; } else if(Math.abs(value) > 1) { return value.toFixed(2) + "%"; } return (value * 100).toFixed(2) + "%"; }
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LVL 25

Accepted Solution

by:
Kyle Hamilton earned 150 total points
ID: 39890874
this would be the angular filter way to do it:

angular.module('MyApp').
  filter('toPercent', function() {
    return function (value) {
		if (value == 0) {
		    value = "NA";
		} else if (Math.abs(value) >= 1){
		    value =  (value).toFixed(2) + "%";
                }else{
		    value =  (value *  100).toFixed(2) + "%";
                }
                return value;
    }
  })

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then in the template, you can use your filter like this;

{{value|toPercent}}

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Author Closing Comment

by:ksd123
ID: 39891143
Thank you guys
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