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Reference
The documents in this section provide reference material and samples for Domino Leap.
JavaScript™ API
Running Custom JavaScript™ – Events
Custom JavaScript™ is run in response to events in the form. These events can be triggered at the application, form, page, and item level in response to form lifecycle changes, and to user interactions. A list of the events available, and how to interact with the form using them is shown in the following list.
Page events
This topic describes the Page Events, and their parameters when using JavaScript™ API in Domino Leap.

Reference
The documents in this section provide reference material and samples for Domino Leap.
- REST API reference
  The REST API can be used by other programs to communicate with Domino Leap.
- JavaScript™ API
  - Running Custom JavaScript™ – Events
    Custom JavaScript™ is run in response to events in the form. These events can be triggered at the application, form, page, and item level in response to form lifecycle changes, and to user interactions. A list of the events available, and how to interact with the form using them is shown in the following list.
    - Application events
      This topic describes the Application Events, and their parameters when using JavaScript™ API in Domino Leap.
    - Form events
      This topic describes the Form Events, and their parameters when using JavaScript™ API in Domino Leap.
    - App page events
      This topic describes the App Page events, and their parameters when using Javascript.
    - Page events
      This topic describes the Page Events, and their parameters when using JavaScript™ API in Domino Leap.
    - Item and apItem events
      This topic describes the Item Events, and their parameters when using JavaScript™ API in Domino Leap.
  - Running Custom JavaScript™ Files
    Custom JavaScript™ can also be loaded from attached JavaScript files. Any .js file that is added to the application in the Settings > Files section is automatically loaded into your running application. An associated JavaScript file is evaluated once when the browser first loads the running application, and is not called in response to any events.
  - Reference Objects and Functions
    Describes the Functions available on different parts of the Domino Leap object model.
- Services
  The following topics provide reference information about adding services to Domino Leap.
- Embedding items in an iframe
  You can use iFrames to embed charts and applications in a web page.
- Embedding API
  The Embedding API is used to embed a Domino Leap form directly in another webpage without using an <iframe>. The Domino Leap form is inserted into the DOM of the hosting page and can be interacted with using the JavaScript API or any custom JavaScript. Additionally, the style of items in the form can be customized by the CSS of the hosting page.
- Creating customized Cascading Style Sheets
  You can apply your own custom Cascading Style Sheet (CSS) to the rendering of your Domino Leap application. To create a custom theme, you must be familiar with the basic concepts of CSS.

Page events

This topic describes the Page Events, and their parameters when using JavaScript™ API in Domino Leap.

There are many events available to hook into on a page that are accessed from the page Properties panel.

Table 1. JavaScript™ objects available in page events
Variable	Full name	Description	Example	Type
app	Application object	Contains functions for accessing global general information	`app.isSingleFormView()`	GUI
form	Form object	For accessing the pages and controlling page navigation	`form.getPage('P_Page1');`	GUI
page	Page object	For accessing the Page and the items on it	`page.F_Text.setContent('This a Label');`	GUI
BO	Business Object object	Top-level data object for the form	`BO.F_Username.getValue();`	DATA

Table 2. Page Events
Event	Description	Example
onHide	Called when the page is hidden. This is usually a result of page navigation.
onNavigateAway	Called as the page is about to be switched away from this one. A pNavOptions variable is passed to this event that contains three optional properties: allowSwitch - value can be true or false, if set to `false` the page Navigation will be cancelled. doValidation - value can be true or false, default is true, if set to `false` page validation will be skipped. issues - array of user provided issues that will be added to validation dialog.	Cancel the page switch if a check box is not checked and display Click I Agree to the terms of service checbox in Validation Error dialog. `if(!BO.F_Agree1.getValue()){ pNavOptions.allowSwitch = false; pNavOptions.issues.push ('Click I Agree to the terms of service checbox'); }`
onRemoveFromNavigation	Called when this page is removed from navigation by calling the form.removePageFromNavigation() method for this page.
onRestoreFromNavigation	Called when a page is restored to navigation by calling the form.restorePageNavigation() method for this page.
onShow	Called every time the page is shown. This includes when the form is first displayed and when the user navigates to the page. A good location to update any display items. Note: When a form is first opened, this event is only called on the current displayed page.