1

I'm using this jQuery plugin to handle select element on my site: bootstrap-select

Unfortunately, I can't found any option which allow me add a custom attribute to the select element, for e.g:

I want my dropdown look like this:

<select class="dropdown" data-live-search="true">
...
</select>

Is there any chance for me?

2
  • 2
    I don't think you can with wp_dropdown_categories but why not add the attribute at runtime using JavaScript before initiating the bootstrap-select Dec 28 '15 at 8:57
  • 1
    Either create your own select and option elements, or add the attribute per JavaScript. There is no other way.
    – fuxia
    Dec 28 '15 at 8:59
2

The only filter available is wp_dropdown_cats, which allows you to filter the entire HTML select string and that means trying to string-match markup. That is always a bit questionable. Still...

function dropdown_data_attr_wpse_213033($output){
  return str_replace('<select','<select data-live-search="true"',$output);
}
add_filter('wp_dropdown_cats','dropdown_data_attr_wpse_213033');
wp_dropdown_categories(); // test

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