JAVASCRIPT

jquery get selected text from multiselect

 $("#id :selected").each(function (i,sel) {
   alert($(sel).text());
 });

jquery get selected text from multiselect

$("#fm_delivery_or_collection option:selected").each(function () {
   var $this = $(this);
   if ($this.length) {
    var selText = $this.text();
    console.log(selText);
   }
});

jquery get selected text from multiselect

var text = $('#selector option:selected').toArray().map(item => item.text).join();