select2 unselect code example

Example 1: select2.org events

$('#mySelect2').on('select2:select', function (e) {
    var data = e.params.data;
    console.log(data);
});

Example 2: select2 preselect option

$('#mySelect2').val('1'); // Select the option with a value of '1'
$('#mySelect2').trigger('change'); // Notify any JS components that the value changed