Button

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Overview

The button field creates a simple button. It doesn’t have any value. Usually this field is used to trigger custom JavaScript actions.

Screenshot

Settings

This field doesn’t have any specific settings. It only uses common field settings. But there are important settings that you should pay attention to:

Name	Description
std	Button text.
attributes	Array of custom HTML attributes for button. More info.

This field doesn’t require the id attribute.

Sample code

array(
    'type'       => 'button',
    'name'       => 'Advanced Settings',
    // Button text.
    'std'        => 'Toggle',
    // Custom HTML attributes.
    'attributes' => array(
        'data-section' => 'advanced-section',
        'class'        => 'js-toggle',
    ),
),

Data

This field does not save any value in the database.

Custom JavaScript

As said above, this field is usually used for custom JavaScript actions. To enqueue a JavaScript file to the admin editing page, use the rwmb_enqueue_scripts hook:

add_action( 'rwmb_enqueue_scripts', 'prefix_enqueue_custom_script' );
function prefix_enqueue_custom_script() {
    wp_enqueue_script( 'script-id', get_template_directory_uri() . '/js/admin.js', array( 'jquery' ), '', true );
}

And in the admin.js script, you can trigger a custom action when click the button:

jQuery( function( $ ) {
    $( '.js-toggle' ).on( 'click', function() {
        // Do something.
    } );
} );

Read more about the rwmb_enqueue_scripts hook.