course presentation unable to add new classname for slide controls

// Add and bind slide controls.
  H5PEditor.$(
          '<div class="h5p-slidecontrols" style="display:none;">' +
          '<a href="#" title="' + H5PEditor.t('H5PEditor.CoursePresentation', 'backgroundSlide') + '" class="h5p-slidecontrols-button h5p-slidecontrols-button-background"></a>' +
          '<a href="#" title="' + window.parent.Drupal.t("LBL3091") +' - '+window.parent.Drupal.t("LBL3093")+ '" class="h5p-slidecontrols-button h5p-slidecontrols-button-sort-left"></a>' +
          '<a href="#" title="' + window.parent.Drupal.t("LBL3091") +' - '+window.parent.Drupal.t("LBL3092")+ '" class="h5p-slidecontrols-button h5p-slidecontrols-button-sort-right"></a>' +
          '<a href="#" title="' + H5PEditor.t('H5PEditor.CoursePresentation', 'removeSlide') + '" class="h5p-slidecontrols-button h5p-slidecontrols-button-delete"></a>' +
          '<a href="#" title="' + H5PEditor.t('H5PEditor.CoursePresentation', 'cloneSlide') + '" class="h5p-clone-slide  h5p-slidecontrols-button h5p-slidecontrols-button-clone"></a>' +
          '<a href="#" title="' + H5PEditor.t('H5PEditor.CoursePresentation', 'newSlide') + '" class="h5p-slidecontrols-button h5p-slidecontrols-button-add"></a>' +
        '</div>'
  ).appendTo(this.cp.$wrapper).................

Above code used for slide controls in presentation .

 


I want to add the new classname each anchor tag. If i add new class name , the functionality will break . (Add slide not working )

Could anyone please help me ?

 

Summary: 
course presentation
tim's picture

Hi maheswarim, where exactly are you finding this code?

I recommend looking at the source here:

https://github.com/h5p/h5p-course-presentation/blob/master/scripts/navigation-line.js