1# RefreshContainer 2 3### Introduction<a name="section104mcpsimp"></a> 4 5This sample shows the **<refresh\>** component in the JavaScript UI framework. You can use this component to refresh the content in child components and customize the conditions to trigger a refresh. 6 7### Usage<a name="section107mcpsimp"></a> 8 9On the home screen of the sample app, a refresh icon is displayed when you swipe down the list. After the refresh is complete, two more items are displayed. 10 11### Constraints<a name="section110mcpsimp"></a> 12 13This sample can only be run on standard-system devices. 14 15