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| author | Igor Minar | 2011-06-15 22:31:40 -0700 |
|---|---|---|
| committer | Igor Minar | 2011-06-15 22:31:40 -0700 |
| commit | b842642b574a2b95c53b791308ed1bf8ff9d304d (patch) | |
| tree | fb26431c5372be74de2105df77e94dea4f198489 /docs/content/guide/dev_guide.scopes.updating_scopes.ngdoc | |
| parent | d428c9910e66246c2af46602499acaeaf187d75b (diff) | |
| download | angular.js-b842642b574a2b95c53b791308ed1bf8ff9d304d.tar.bz2 | |
docs - stripping extra new lines
Diffstat (limited to 'docs/content/guide/dev_guide.scopes.updating_scopes.ngdoc')
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diff --git a/docs/content/guide/dev_guide.scopes.updating_scopes.ngdoc b/docs/content/guide/dev_guide.scopes.updating_scopes.ngdoc index ff6734cc..2d5f1725 100644 --- a/docs/content/guide/dev_guide.scopes.updating_scopes.ngdoc +++ b/docs/content/guide/dev_guide.scopes.updating_scopes.ngdoc @@ -3,19 +3,16 @@ @name Developer Guide: Scopes: Updating Scope Properties @description - You can update a scope by calling its {@link api/angular.scope.$eval $eval()} method, but usually you do not have to do this explicitly. In most cases, angular intercepts all external events (such as user interactions, XHRs, and timers) and calls the `$eval()` method on the scope object for you at the right time. The only time you might need to call `$eval()` explicitly is when you create your own custom widget or service. - The reason it is unnecessary to call `$eval()` from within your controller functions when you use built-in angular widgets and services is because a change in the data model triggers a call to the `$eval()` method on the scope object where the data model changed. - When a user inputs data, angularized widgets copy the data to the appropriate scope and then call the `$eval()` method on the root scope to update the view. It works this way because scopes are inherited, and a child scope `$eval()` overrides its parent's `$eval()` method. Updating the whole @@ -23,25 +20,19 @@ page requires a call to `$eval()` on the root scope as `$root.$eval()`. Similarl to fetch data from a server is made and the response comes back, the data is written into the model and then `$eval()` is called to push updates through to the view and any other dependents. - A widget that creates scopes (such as {@link api/angular.widget.@ng:repeat ng:repeat}) is responsible for forwarding `$eval()` calls from the parent to those child scopes. That way, calling `$eval()` on the root scope will update the whole page. This creates a spreadsheet-like behavior for your app; the bound views update immediately as the user enters data. - - ## Related Documents - * {@link dev_guide.scopes Angular Scope Objects} * {@link dev_guide.scopes.understanding_scopes Understanding Angular Scope Objects} * {@link dev_guide.scopes.working_scopes Working With Angular Scopes} * {@link dev_guide.scopes.controlling_scopes Applying Controllers to Scopes} - ## Related API - * {@link api/angular.scope Angular Scope API} |
