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jQuery pagebeforeshow Event

< jQuery Mobile Events

Example

Alert some text when the page we are transitioning to, is about to be shown:

$(document).on("pagebeforeshow","#pagetwo",function(){
  alert("pagebeforeshow event fired - pagetwo is about to be shown");
});
Try it Yourself »

Definition and Usage

The pagebeforeshow event is triggered on the "to" page, before the transition animation starts.

Related events:

  • pageshow - Triggered on the "to" page, after the transition animation completes
  • pagebeforehide - Triggered on the "from" page, before the transition animation starts
  • pagehide - Triggered on the "from" page, after the transition animation completes

Note: This event is triggered every time a page transition starts/stops.


Syntax

To trigger the event for all pages in jQuery Mobile:

$("document").on("pagebeforeshow",function(event){...}) Try it

To trigger the event for a specific page:

$("document").on("pagebeforeshow","page",function(event,data){...}) Try it

Parameter Description
function(event,data) Required. Specifies the function to run when the pagebeforeshow event occurs.

The function has two optional parameters:

  • The event object - which can contain any jQuery event properties (e.g. event.target, event.type, etc.) See jQuery Events Reference for more information
  • The data object - contains one property, the prevPage, which returns the page we are transitioning away from
page Optional. Points to the id of the page to specify the pagebeforeshow event for. For internal pages, use #id. For external pages, use externalfile.html.

Try it Yourself - Examples

A demonstration of related events
A demonstration that shows when pagebeforeshow, pageshow, pagebeforehide and pagehide fire.

The event object
Using the event.type property to return the triggered event type.

The data object
Using the prevPage property to return the page we are transitioning away from.


< jQuery Mobile Events