JQuery: Turn array input values into a string optimization

Question

using jQuery I have the following code:

var selectedIdsArray = $(\"#selectId option:selected\").map(function(){return this.value;});
var selectedIdsStr = $.m         


        

Answer 1

You can also change the second line to this:

var selectedIdsStr = selectedIdsArray.get().toString()

Answer 2

You could change the second line like this:

var selectedIdsStr = selectedIdsArray.get().join(',');

Answer 3

var selectedIdsStr = $("#selectId option:selected").map(function(){
   return $(this).val();
}).get().join(",");

adapted from http://docs.jquery.com/Traversing/map#callback