text: jQuery(document).ready(function ($) {
  
  
  
      $(document).on("click", ".upload_image_button", function (e) {
  
          e.preventDefault();
  
          var $button = $(this);
  
  
  
  
  
          // Create the media frame.
  
          var file_frame = wp.media.frames.file_frame = wp.media({
  
              title: 'Select or upload image',
  
              library: { // remove these to show all
  
                  type: 'image' // specific mime
  
              },
  
              button: {
  
                  text: 'Select'
  
              },
  
              multiple: false  // Set to true to allow multiple files to be selected
  
          });
  
  
  
          // When an image is selected, run a callback.
  
          file_frame.on('select', function () {
  
              // We set multiple to false so only get one image from the uploader
  
  
  
              var attachment = file_frame.state().get('selection').first().toJSON();
  
  
  
              $button.siblings('input').val(attachment.url);
  
  
  
          });
  
  
  
          // Finally, open the modal
  
          file_frame.open();
  
      });
  
  });