<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
</head>
<body>
<div ng-app="myApp" ng-controller="myCtrl">
<form>
<div class="form-group">
<input ng-model="name" />{{name}}
<p>改变次数{{count}}</p>
</div>
</form>
</div>
<script src="http://cdn.static.runoob.com/libs/angular.js/1.4.6/angular.min.js"></script>
<script type="text/javascript">
var app = angular.module('myApp', []);
app.controller('myCtrl', function ($scope){
$scope.name = '橘子';
$scope.count = 0;
$scope.$watch('name', function (newValue, oldValue) {
$scope.count++;
if($scope.count >5){
$scope.name = '苹果';
}
});
});
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
</head>
<body>
<div ng-app="myApp" ng-controller="myCtrl">
<form>
<div class="form-group">
<input ng-model="Data.name" />{{Data.name}}
<p>改变次数{{count}}</p>
</div>
</form>
</div>
<script src="http://cdn.static.runoob.com/libs/angular.js/1.4.6/angular.min.js"></script>
<script type="text/javascript">
var app = angular.module('myApp', []);
app.controller('myCtrl', function ($scope){
$scope.Data = { name: '橘子' };
$scope.count = 0;
$scope.$watch('Data', function (newValue, oldValue) {
if(newValue == oldValue)
return;
$scope.count++;
if($scope.count >5){
$scope.Data.name = '苹果';
}
}, true);
});
</script>
</body>
</html>
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