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In previous post, we have seen about angularJS inbuilt filter. In this post, we are going to how to create your own filters.
AngularJS tutorial:
Filters are used to format data in desired way.
For creating a filter , you need to attach it with the module.
Lets take example where we will convert string to upper case and replace “_” by space(” “).
For creating a filter , you need to attach it with the module.
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angular.module('myApp') .filter('customFilter', function () { return function (input) { if (input) { return input; } }; }); |
Example:
Copy below text , open notepad , paste it and save it as angularJSCustomFilterExample.html and open it in the browser.
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<meta charset="UTF-8"> <title>Angular js</title> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.0/angular.min.js"></script> <script> var app = angular.module('myApp', []); app.controller('java2blogContoller', function($scope) { $scope.java2blogMsg = "Hello_from_Java2blog"; }).filter('java2blogFilter',function(){ return function( str ) { return str.toUpperCase().replace(/_/g,' '); } }); </script> <div ng-app="myApp" ng-controller="java2blogContoller"> {{java2blogMsg|java2blogFilter}} !!! </div> |
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Output:
HELLO FROM JAVA2BLOG !!!
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Very nice post… Thanks..
can you please tell me more about ——-> replace(/_/g,' ');
and whats g in it. or can refer some links to know about it.
thanks in advance