function () {
            var placeholder = this.getPlaceholder();

            if (this.isPlaceholderOptionSelected() && placeholder !== undefined) {

                // check for a placeholder option if attached to a select
                if (this.select && this.getPlaceholderOption() === undefined) return;

                this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder));

                this.selection.addClass("select2-default");

                this.container.removeClass("select2-allowclear");
            }
        }
function () {
            var placeholder = this.getPlaceholder();

            if (this.isPlaceholderOptionSelected() && placeholder !== undefined) {

                
                if (this.select && this.getPlaceholderOption() === undefined) return;

                this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder));

                this.selection.addClass("select2-default");

                this.container.removeClass("select2-allowclear");
            }
        }
function ( ) { var placeholder = this . getPlaceholder ( ) ; if ( this . isPlaceholderOptionSelected ( ) && placeholder !== undefined ) { // check for a placeholder option if attached to a select if ( this . select && this . getPlaceholderOption ( ) === undefined ) return ; this . selection . find ( ".select2-chosen" ) . html ( this . opts . escapeMarkup ( placeholder ) ) ; this . selection . addClass ( "select2-default" ) ; this . container . removeClass ( "select2-allowclear" ) ; } }
single
single