How to add 'data-value' to the title of the page in wordpress?

@muriel.schmidt 

To add a 'data-value' attribute to the title of a page in WordPress, you can use the following code snippet in your theme's functions.php file:

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function add_data_value_to_title( $title ) {
    $data_value = esc_attr( 'your_value_here' ); // Replace 'your_value_here' with the desired data value
    
    // Add the data-value attribute to the title
    $title = "<title data-value='{$data_value}'>" . $title . "</title>";
    
    return $title;
}
add_filter( 'wp_title', 'add_data_value_to_title' );

Replace 'your_value_here' with the desired data value that you want to add to the title. This code snippet will retrieve the current page title and append the 'data-value' attribute to it, which can then be used in your theme or custom JavaScript for further customization.