supercobra supercobra - 1 year ago 77
AngularJS Question

Clicking a checkbox with ng-click does not update the model

Clicking on a checkbox and calling ng-click: the model is not updated before ng-click kicks in so the checkbox value is wrongly presented in the UI:

This works in AngularJS 1.0.7 and seems broken in Angualar 1.2-RCx.

<div ng-app="myApp" ng-controller="Ctrl">
<li ng-repeat="todo in todos">
<input type='checkbox' ng-click='onCompleteTodo(todo)' ng-model="todo.done">
task: {{todoText}}
<hr><h2>Wrong value</h2>
done: {{doneAfterClick}}

and controller:

angular.module('myApp', [])
.controller('Ctrl', ['$scope', function($scope) {
{'text': "get milk",
'done': true
{'text': "get milk2",
'done': false

$scope.onCompleteTodo = function(todo) {
console.log("onCompleteTodo -done: " + todo.done + " : " + todo.text);
$scope.todoText = todo.text;


Broken Fiddle w/ Angular 1.2 RCx

Working fidddle w/ Angular 1.0.0

Answer Source

How about changing

<input type='checkbox' ng-click='onCompleteTodo(todo)' ng-model="todo.done">


<input type='checkbox' ng-change='onCompleteTodo(todo)' ng-model="todo.done">

From docs:

Evaluate given expression when user changes the input. The expression is not evaluated when the value change is coming from the model.

Note, this directive requires ngModel to be present.