Persist data to Local Storage (or Filesystem)
/documentation/pages/Guides/Mobile and Web Components/UX/Controls/Props/Data/List Properties/listprops/List Prop/ListProp/Persist data to Local Storage.xml
Should the data in the List be saved in Local Storage or File System on the device? This option is typically only checked if you are building a mobile application that can work when you are disconnected from the internet.
UX-Local Storage Management
/documentation/pages/Guides/Mobile and Web Components/UX/Controls/Defined Controls/UX-Local Storage Management.xml
Add a control to allow users to manage Local Storage.
{dialog.object}.persistListToLocalStorage Method
/documentation/pages/Ref/Client_Api/UX/{dialog.object} methods/{dialog.object}.persistListToLocalStorage Method.xml
Manually persist List data and state to Local Storage (assuming the List properties have been set to allow persistence to Local Storage). Normally this method is not needed because the List is automatically persisted to Local Storage any time the List contents is changed (by adding, deleting or editing data in the List).
{dialog.object}.persistVariablesToLocalStorage Method
/documentation/pages/Ref/Client_Api/UX/{dialog.object} methods/{dialog.object}.persistVariablesToLocalStorage Method.xml
Manually persist List data and state to Local Storage (assuming the List properties have been set to allow persistence to Local Storage). Normally this method is not needed because the List is automatically persisted to Local Storage any time the List contents is changed (by adding, deleting or editing data in the List).
Local Storage/File System Storage
/documentation/pages/Guides/Mobile and Web Components/UX/Properties/Local Storage/index.xml
Configure the namespace information, data compression, additional data to persist, and debugging behaviors in working preview for the data persisted to Local Storage (or the file system) for an application.
onBeforePersistToLocalStorage Event
/documentation/pages/Guides/Mobile and Web Components/UX/Controls/Props/Data/List Properties/listprops/List Prop/jsRunTime/onBeforePersistToLocalStorage.xml
Fires before the List is persisted to Local Storage.
How to Store Data in Local Storage Using Client-side Data Cache
/documentation/pages/HowTo/UX/Client Side Data Cache Local Storage.xml
Learn how to use the Client-side Data Cache to download and store data in Local Storage in PhoneGap applications.
Persist variable values
/documentation/pages/Guides/Mobile and Web Components/UX/Properties/Local Storage/Persist variable values.xml
If enabled, all variables will be saved to Local Storage when the value in any control is changed.
Compress data before storing in Local Storage
/documentation/pages/Guides/Mobile and Web Components/UX/Properties/Local Storage/Compress data.xml

Check to compress List data when it is stored in Local Storage. This setting does not apply to List data persisted to the file system.

listObj.persistToStorage Method
/documentation/pages/Ref/Client_Api/UX/list object methods/persistToStorage Method.xml
Manually persists data in a List control to Local Storage or the device's File System.