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doc(guide:$location): fix example for two way databinding.

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When you are watching the $location.path(), it has to be wrapped in a
function since it is not attached to the scope and if you pass a string
to $scope.$watch it is evaluated against the $scope.
This commit is contained in:
Jeremy Wilken 2013-05-17 09:55:22 -05:00 committed by Pete Bacon Darwin
parent a250116694
commit 39f4a776d6
1 changed files with 19 additions and 15 deletions
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34
docs/content/guide/dev_guide.services.$location.ngdoc
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@ -619,21 +619,25 @@ to the $location object (using {@link api/ng.directive:input.text
ngModel} directive on an input field), you will need to specify an extra model property
(e.g. `locationPath`) with two watchers which push $location updates in both directions. For
example:
<pre>
<!-- html -->
<input type="text" ng-model="locationPath" />
</pre>
<pre>
// js - controller
$scope.$watch('locationPath', function(path) {
$location.path(path);
});
$scope.$watch('$location.path()', function(path) {
scope.locationPath = path;
});
</pre>
<example>
<file name="index.html">
<div ng-controller="LocationController">
<input type="text" ng-model="locationPath" />
</div>
</file>
<file name="script.js">
function LocationController($scope, $location) {
$scope.$watch('locationPath', function(path) {
$location.path(path);
});
$scope.$watch(function() {
return $location.path();
}, function(path) {
$scope.locationPath = path;
});
}
</file>
</example>
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