Value Passing In Jquery from one html class to other html class in PhoneGap

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I am a Iphone developer now moving to phonegap for making cross plateform application.

I have stared learning jqueryMobile for uiDesgin.It is good.

Issue is her

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南旧

2021-02-06 16:48
I am only guessing the things i've understood from your text but I think what you are searching is how to pass parameters in jQuery Mobile between pages on different HTML (my proposed way 2 is the easiest for different html, otherwise same html different pages take solution 1 or 3).

There are three ways:

1) Use HTML5 attributes

a) in HTML page 1, you've got a link, where you need to know on page two the ID "1234", i hope you understood that this ID can be created dynamically:
```
<a data-emp="1234" id="button" href="#home>
```
b) in HTML page 2 or somewhere else:
```
<div id="showParameter"></div>
```
c) in JS whereever you want e.g. pagebeforeload or onClick(): example is onClick:
```
$("#button").on('click', function (data) { 
var anId = $(this).attr("data-emp"); 
$("#showParameter").html(anId) 
});
```
2) Use the URL / Hashtag to pass a parameter

via URL:

a) a link again on page 1:
```
<a href="page2.htm?yourID='1234'"></a>
```
b) JS on page 2 for example on pageInit Event:
```
var parameters = $(this).data("url").split("?")[1]; 
parameter = parameters.replace("yourID=","");
```
3) via Hashtag: http://api.jquerymobile.com/jQuery.mobile.changePage/ by passing a hashtag, google a little bit there are a lot of ressources.

now you are able to work with the parameter on page 2 e.g. calling an ajax with parameter or whatever you want.

hope this helps.
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2021-02-06 16:49

Solution 1:

You can pass values with changePage function:

$.mobile.changePage('page2.html', { dataUrl : "page2.html?paremeter=123", data : { 'paremeter' : '123' }, reloadPage : true, changeHash : true });

or with a button like this:

<a href="second.html?paremeter=123" data-role="button">Or through a basic link</a>

And read them like this:

$(document).on('pagebeforeshow', "#index", function (event, data) {
    var parameters = $(this).data("url").split("?")[1];;
    parameter = parameters.replace("parameter=","");  
    alert(parameter);
});

index.html

<!DOCTYPE html>
  <html>
    <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="widdiv=device-widdiv, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <meta name="apple-mobile-web-app-capable" content="yes" />
    <meta name="apple-mobile-web-app-status-bar-style" content="black" />
    <title>
    </title>
    <link rel="stylesheet" href="http://code.jquery.com/mobile/1.2.0/jquery.mobile-1.2.0.min.css" />
    <script src="http://www.dragan-gaic.info/js/jquery-1.8.2.min.js">
    </script>
    <script src="http://code.jquery.com/mobile/1.2.0/jquery.mobile-1.2.0.min.js"></script>  
    <script>
        $(document).on('pagebeforeshow', "#index",function () {
            $(document).on('click', "#changePage",function () {     
                $.mobile.changePage('second.html', { dataUrl : "second.html?paremeter=123", data : { 'paremeter' : '123' }, reloadPage : false, changeHash : true });
            }); 
        }); 

        $(document).on('pagebeforeshow', "#second",function () {
            var parameters = $(this).data("url").split("?")[1];
            parameter = parameters.replace("paremeter=","");  
            alert(parameter);
        });         
        
    </script>
   </head>
   <body>
    <!-- Home -->
    <div data-role="page" id="index">
        <div data-role="header">
            <h3>
                First Page
            </h3>
        </div>
        <div data-role="content">
                        <a data-role="button" id="changePage">Pass parameters with changePage function</a>
                        <a href="second.html?paremeter=123" data-role="button">Or through a basic link</a>
        </div> <!--content-->
    </div><!--page-->

  </body>
</html>

second.html

<!DOCTYPE html>
  <html>
    <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="widdiv=device-widdiv, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
    <meta name="apple-mobile-web-app-capable" content="yes" />
    <meta name="apple-mobile-web-app-status-bar-style" content="black" />
    <title>
    </title>
    <link rel="stylesheet" href="http://code.jquery.com/mobile/1.2.0/jquery.mobile-1.2.0.min.css" />
    <script src="http://www.dragan-gaic.info/js/jquery-1.8.2.min.js">
    </script>
    <script src="http://code.jquery.com/mobile/1.2.0/jquery.mobile-1.2.0.min.js"></script>  
   </head>
   <body>
    <!-- Home -->
    <div data-role="page" id="second">
        <div data-role="header">
            <h3>
                Second Page
            </h3>
        </div>
        <div data-role="content">

        </div> <!--content-->
    </div><!--page-->

  </body>
</html>

This solution is used for multi-HTML template where one jQuery Mobile page is also one HTML file.

Solution 2:

Or you can create a persistent javascript object for a storage purpose. As long ajax is used for page loading (and page is not reloaded in any way) that object will stay active.

var storeObject = {
    firstname : '',
    lastname : ''
}

Example: http://jsfiddle.net/Gajotres/9KKbx/

Solution 3:

You can also access data from the previous page like this:

$('#index').live('pagebeforeshow', function (e, data) {
    alert(data.prevPage.attr('id'));
});

prevPage object holds a complete previous page.

Solution 4:

As a last solution we have a nifty HTML implementation of localStorage. It only works with HTML5 browsers (including Android and iOS browsers) but all stored data is persistent through page refresh.

if(typeof(Storage)!=="undefined") {
    localStorage.firstname="Dragan";
    localStorage.lastname="Gaic";            
}

Example: http://jsfiddle.net/Gajotres/J9NTr/

More info

If you want to find more information about this topic take a look at this article. You will find everything explained in more details plus working examples.

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