How can I disable selected attribute from select2() dropdown Jquery?

The right way for Select2 3.x is:

$('select').select2("enable", false)

This works fine.

To disable the complete select2 box, that is no deletion of already selected values and no new insertion, use:

$("id-select2").prop("disabled", true);

where id-select2 is the unique id of select2. you can also use any particular class if defined to address the dropdown.

For those using Select2 4.x, you can disable an individual option by doing:

$('select option:selected').prop('disabled', true);

For those using Select2 4.x, you can disable the entire dropdown with:

$('select').prop('disabled', true);

The below code also works fine for Select2 3.x

For Enable Select Box:

$('#foo').select2('enable');

For Disable Select Box:

$('#foo').select2('disable');

jsfiddle: http://jsfiddle.net/DcunN/

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