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Pawan Bhi..

pagebeforechange event getting called multiple times

in jQuery Mobile • 4 years ago

Hi,

I'm using code under

$(document).on('pagebeforechange', function (e, data) {

//my code

})

This method is getting called multiples time when i visit the page again.

Also data.toPage[0] contains string some times and sometimes object.

My code is failing as i am considering it object all the times.

Please help me.

Replies(1)

jakecigar

Re: pagebeforechange event getting called multiple times

4 years ago

pagebeforechange | jQuery Mobile API Documentation

Says

Description: Triggered twice during the page change cyle: First prior to any page loading or transition and next after page loading completes successfully, but before the browser history has been modified by the navigation process.

And

toPage (object or string)

This property represents the page the caller wishes to make active. It can be either a jQuery collection object containing the page DOM element, or an absolute/relative url to an internal or external page. The value exactly matches the 1st arg to the changePage() call that triggered the event.

So, it’s behaving as documented. It also says it is deprecated…

Note: The triggering of this event is deprecated as of jQuery Mobile 1.4.3. It will no longer be triggered in 1.6.0.
The replacement for pagebeforechange is the pagecontainer widget's pagecontainerbeforechange event. In jQuery Mobile >= 1.4.3, the two events are identical except for their name and the fact that pagecontainerbeforechange is triggered on the pagecontainer, whereas pagebeforechange is triggered on the page.

I deal with these poorly defined events by checking to see if toPage is a string or a jQuery, then ignoring one.

JΛ̊KE

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