##

Demos

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## Problem:

# Updating the value of enhanced form elements does not work

## Solution:

While some form elements that jQuery Mobile enhances are simply styled, some (like the slider) are custom controls built on top of native inputs. Changing the value of a normal input such as a text or search box will render the value immediately, but changing the value of a select menu, slider, or any other complex custom form control will require calling a `refresh` operation to re-enhance the control to reflect your new value.

Let's use the example of a Select Menu to demonstrate how to update the value on a complex control:

        // Some markup for a select menu
        <select>
          <option value="a">A</option>
          <option value="b">B</option>
          <option value="c">C</option>
        </select>

        // Your Javascript:
        <script>
        $('#page1').on('pagecreate', function() {
          // Update the select menu's value to 'c' and refresh the control
          $('select').val('c').selectmenu('refresh');
        });
        </script>

In the snippet above we have a simple select menu, and we are updating the value of the menu after the page has initialized. When jQuery Mobile enhances the page, the select menu will be modified to make it more mobile friendly and consistent across devices. That means the simple select menu we are used to interacting with needs a little more work to update. We can simply call `$('select').selectmenu('refresh')` to have our select menu update to its current value.

Other form inputs that require refreshing are the slider, the toggle switch, checkboxes, and radio buttons. To refresh the slider or the toggle switch, call `slider('refresh')`. To refresh the checkbox or radio controls, call `checkboxradio('refresh')`.

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- ### Selectmenu widget click to expand contents

  - Selectmenu
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- ### Slider widget click to expand contents

  - Slider
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- ### Table widget click to expand contents

  - Table Column Toggle
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- ### Theming click to expand contents

  - Default theme
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- ### Toolbar widget click to expand contents

  - Toolbar
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- ### 3rd party API demos click to expand contents

  - Backbone RequireJS
  - Google Maps geolocation
  - Google Maps list toggle

- Home
- Introduction
- Buttons
- Button widget

- ### Checkboxradio widget click to expand contents

  - Checkboxes
  - Radio buttons

- ### Collapsible (set) widget click to expand contents

  - Collapsible
  - Dynamic collapsibles
  - Collapsible set

- ### Controlgroup widget click to expand contents

  - Controlgroup
  - Dynamic controlgroups
- Datepicker

- ### Events click to expand contents

  - Swipe list items
  - Swipe page navigation
- Filterable widget
- Flipswitch widget

- ### Forms click to expand contents

  - Forms
  - Hide labels
  - Field containers
  - Forms disabled
  - Forms gallery

- ### Grids click to expand contents

  - Grids
  - Buttons in grids
  - Custom responsive grids
- Grouping and dividing content

- ### Icons click to expand contents

  - Icons
  - Grunticon loader

- ### Listview widget click to expand contents

  - Listview
  - Listview autocomplete
  - Listview autocomplete remote data
  - Listview autodividers linkbar
  - Listview autodividers selector
  - Nested Listviews
  - Listview collapsible list items (flat)
  - Listview collapsible list items (indented)
  - Listview responsive grid
- Loader widget
- Navbar widget

- ### Navigation click to expand contents

  - Navigation
  - Linking pages
  - Hash processing demo
  - Page Navigation Events

- ### Pages click to expand contents

  - Pages
  - Single page
  - Multi-page template
  - Dialog page

- ### Panel widget click to expand contents

  - Panel
  - External panels
  - Fixed panels
  - Panels responsive
  - Custom panel style
  - Panel open on swipe
  - Panel external and internal

- ### Popup widget click to expand contents

  - Popup
  - Popup alignment
  - Popup arrow size
  - Dynamic popups
  - Popups with iframes
  - Popup image scaling
  - Popup outside multi-page
- Rangeslider widget
- Responsive Web Design

- ### Selectmenu widget click to expand contents

  - Selectmenu
  - Custom select menu
  - Custom select menu with filter

- ### Slider widget click to expand contents

  - Slider
  - Slider flip toggle switch
  - Slider tooltip

- ### Table widget click to expand contents

  - Table Column Toggle
  - Table Column Toggle demo
  - Table Column Toggle heading groups
  - Table Column Toggle options
  - Table Reflow
  - Table Reflow heading groups
  - Table Reflow stripes and strokes
  - Table Reflow custom styles
- Tabs widget
- Textinput widget

- ### Theming click to expand contents

  - Default theme
  - Classic theme

- ### Toolbar widget click to expand contents

  - Toolbar
  - Dynamic toolbars
  - External toolbars
  - Fixed toolbars
  - Fullscreen toolbars
  - Fixed external toolbars
  - Persistent toolbars
  - Ajax optimized toolbars
  - Form in toolbar
- Transitions

- ### 3rd party API demos click to expand contents

  - Backbone RequireJS
  - Google Maps geolocation
  - Google Maps list toggle