Tips for invoking a function to automatically load elements on a jQuery mobile website

I am looking to keep my navbar HTML markup in a centralized location for easy editing. Currently, the body content of my index.html file appears like this:

<div data-role="page" id="SomePage">
    <div data-role="header">
        <h1>This is Page 1</h1>
    </div>
    <div data-role="navbar"></div>
</div>

and I reference these files in the header as follows:

<link rel="stylesheet" href="http://code.jquery.com/mobile/1.2.0/jquery.mobile-1.2.0.min.css" />
<script src="http://code.jquery.com/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 type="text/javascript" language="javascript" src="app.js"></script>

In my app.js file, I attempt to load the Nav bar. I have tried two different approaches:

The first method:

var NavBar = function() {
$('div[data-role="navbar"]').html('<ul>' +
    '<li><a href="#SomePage" data-transition="fade" data-icon="none">By Brand</a></li>' +
    '<li><a href="#AnotherPage" data-transition="fade" data-icon="none">By Flavor</a></li>' +
    '<li><a href="#LastPage" data-transition="fade" data-icon="none">Zero Nicotine</a></li>' +
    '</ul>');
}

$(document).ready(function() {
    NavBar();
}); 

This approach displays the links on the page but without the list-style formatting.

The second method attempted was:

var NavBar = function() {
$('div:jqmData[role="navbar"]').html('<ul>' +
    '<li><a href="#SomePage" data-transition="fade" data-icon="none">By Brand</a></li>' +
    '<li><a href="#AnotherPage" data-transition="fade" data-icon="none">By Flavor</a></li>' +
    '<li><a href="#LastPage" data-transition="fade" data-icon="none">Zero Nicotine</a></li>' +
    '</ul>');
}

$(document).ready(function() {
    NavBar();
});

However, this method does not display the links at all.

I am seeking advice on how to create a function that centralizes the loading of the 'navbar' while applying jQuery Mobile styling consistently.

Answer №1

Avoid using document ready in conjunction with jQuery Mobile, as it may trigger before the page is fully loaded into the DOM. To learn more, check out this informative ARTICLE or find additional details HERE.

It's recommended to utilize appropriate jQuery Mobile page events instead.

I have provided a functional jsFiddle example for your reference.

$(document).on('pagebeforecreate', '#index', function(){       
    $('[data-role="navbar"]').html('<ul>' +
        '<li><a href="#SomePage" data-transition="fade" data-icon="none">By Brand</a></li>' +
        '<li><a href="#AnotherPage" data-transition="fade" data-icon="none">By Flavor</a></li>' +
        '<li><a href="#LastPage" data-transition="fade" data-icon="none">Zero Nicotine</a></li>' +
        '</ul>');
});

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