get the click source in jquery code example

Example 1: jquery event source

//target is the element that triggered the event 
let source1 = event.target;
//currentTarget is the element that the event listener is attached to.
let source2 = event.currentTarget;

Example 2: jquery on click get element

$(document).on("click",".appDetails", function () {
   var clickedBtnID = $(this).attr('id'); // or var clickedBtnID = this.id
   alert('you clicked on button #' + clickedBtnID);
});