There's an easier way that doesn't require you to go into the options tag: $("div.id_100 select").val("val2");. Check out the this jQuery ... ... <看更多>

select2('destroy');. Load the options: $('#select').append(...) Select the default option: ... <看更多>

allow_single_deselect, false, When set to true on a single select, Chosen adds a ... <option value="1">Option 1</option> <option value="2" selected>Option ... ... <看更多>