How to add html placeholder to select2?

Question

I want to add one icon to placeholder like this

$(\"#tag_list\").select2({
    allowClear: true,
    placeholder: \"         


        

Answer 1

function format(state){

if (!state.id) {

return state.text; // optgroup

} else {

return "" + state.text;

}

}

$("#tag_list").select2({

    formatResult: format,

    formatSelection: format,

    escapeMarkup: function(m) { return m; }


});

http://ivaynberg.github.io/select2/