option click事件

    $("#m-s-type").on("change",function(){
        var id = $(this).find("option:selected").attr("data-id");
        console.log(id)
        if(id==1){

        }
    })

                                        <select class="form-control knowledgeTypes" name="resourceTypes" id="m-s-type">
                                            <option th:data-id="${1}">音频</option>
                                            <option th:data-id="${2}">图像</option>
                                            <option th:data-id="${3}">文本</option>
                                            <option th:data-id="${4}">视频</option>
                                        </select>