js表单验证，验证必填，jQuery 通过ID取title值

//传入多个需要必填项id值
function（）{
。。。。。。
 var strLinValu = "#name" + "," +"#year"+ "," + "#capitalType" + "," + "#details" + "," +"#finishDate" + "," + "#receiveOrganization"
        if (chkInput(strLinValu))
            return true;
        else
            return false;
            。。。。。。。。。。
}
 function chkInput(str) {
        var strArry = str.split(',');
        var Flag = true;
        for (var i = 0; i < strArry.length; i++) {
            if ($(strArry[i]).val() == "" || $(strArry[i]).val() == null) {
                $(strArry[i]).focus(); //对应的元素ID获取焦点
                Flag = false;
                alert("请填写  ：  "+$(strArry[i]).attr("title"));//取出相应id处的title值    
                break;
            }
        }
        return Flag;
    }