How to set selected value of jquery select2?

Question

This belong to codes prior to select2 version 4

I have a simple code of select2 that get data from ajax

Answer 1

you can use this code :

$("#programid").val(["number:2", "number:3"]).trigger("change");

where 2 in "number:2" and 3 in "number:3" are id field in object array