Display Selected Item in Bootstrap Button Dropdown Title / place holder text

Question

This question has been asked a few times on Stackoverflow - however I still cant get to the bottom of it... plus my query is throwing more dropdowns into play. So I have two dro

Answer 1

Bootstrap 4 version:

$(".dropdown-item").click(function(){
    var selText = $(this).text();
    $(this).parents('.dropdown').find('.dropdown-toggle').html(selText+'');
});