Change watched value
Description
The following code shows how to Change watched value.
Example
<!DOCTYPE html>
<html ng-app>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.13/angular.js"></script>
</head><!--from ww w . j a v a 2s .co m-->
<body ng-app="myApp">
<div ng:controller="Main">
<p>Your lucky number: <input ng-model="luckynumber"> (Your number is {{luckynumber}})</p>
</div>
<script type='text/javascript'>
angular.module('myApp', []);
function Main($scope) {
$scope.luckynumber = null;
$scope.$watch('luckynumber', function() {
if ($scope.luckynumber == 7) {
console.log('The lucky number mustn\'t be equal 7.');
$scope.luckynumber = null;
}
})
}
</script>
</body>
</html>