how to call service method from ng-change of select in angularjs?

You have at least two issues in your code: ng-change=”getScoreData(Score) Angular doesn’t see getScoreData method that refers to defined service getScoreData: function (Score, callback) We don’t need to use callback since GET returns promise. Use then instead. Here is a working example (I used random address only for simulation): HTML <select ng-model=”score” ng-change=”getScoreData(score)” ng-options=”score as … Read more

How can I denote which input fields have changed in AngularJS

If you put the input in a form with a name attribute and then give the input a name attribute, you can also access the input’s $pristine property. <div ng-controller=”MyController”> <form name=”myForm”> <input type=”text” name=”first” ng-model=”firstName”> <input type=”text” name=”last” ng-model=”lastName”> </form> </div> app.controller(‘MyController’, function($scope) { // Here you have access to the inputs’ `$pristine` property … Read more

How can I make angularjs ngChange handler be called only when user finishes typing

Use ng-model-options in Angular > 1.3 <input type=”text” ng-model=”vm.searchTerm” ng-change=”vm.search(vm.searchTerm)” ng-model-options=”{debounce: 750}” /> Without ng-model-options — In markup: <input ng-change=”inputChanged()”> In your backing controller/scope var inputChangedPromise; $scope.inputChanged = function(){ if(inputChangedPromise){ $timeout.cancel(inputChangedPromise); } inputChangedPromise = $timeout(taskToDo,1000); } Then your taskToDo will only run after 1000ms of no changes.

How to implement an ng-change for a custom directive

If you require ngModel you can just call $setViewValue on the ngModelController, which implicitly evaluates ng-change. The fourth parameter to the linking function should be the ngModelCtrl. The following code will make ng-change work for your directive. link : function(scope, element, attrs, ngModelCtrl){ scope.updateModel = function(item) { ngModelCtrl.$setViewValue(item); } } In order for your solution … Read more

Angularjs dynamic ng-pattern validation

This is an interesting problem, complex Angular validation. The following fiddle implements what you want: http://jsfiddle.net/2G8gA/1/ Details I created a new directive, rpattern, that is a mix of Angular’s ng-required and the ng-pattern code from input[type=text]. What it does is watch the required attribute of the field and take that into account when validating with … Read more

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