JQuery Select2 - How to select all options

Question

I\'m using jQuery select2 multi select dropdown. I need to select all options in a dropdown from code. Basically there is a Select All checkbox on which this functionality h

Answer 1

If you need a checkbox for this action, just do this simply.

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Select/Deselect 

Jquery function:

$("#selectall").on('click',function(){
    var checked = $("#selectall").prop("checked");
  if(checked==true){
    $("#myselect > option").prop("selected",true);
  }else{
    $("#myselect > option").prop("selected",false);
  }
});