数组集合循环

 var html = "";  //定义拼接字符串
    //获取用户选择的车系备注、编码
    $('#CarNtable').children('tbody').children('tr').children('td').children('input[name="carName"]:checked').next().each(
        function () {
                html += $(this).parent().next().text() + "," + $(this).text() + "|";
        });

    var aryCarList = html.split("|");//分割数组*（车系名称，车系code|车系名称，车系code|车系名称，车系code|车系名称，车系code|车系名称，车系code）
    var strHtml = '';//拼接字符串

   //已经选中的
    var markCheck = [];
    $("#SelcalList").find("input").each(function () {
        if (this.checked) {
            markCheck.push(this.value);
            strHtml += '<input checked="true" type="checkbox" name="checkName"  value="' + this.value + '" ><span>' + $(this).next().text() + '</span>'
        }
    })
   
    for (var i = 0; i < aryCarList.length - 1 ; i++) {
        var carName = aryCarList[i].substring(0, aryCarList[i].indexOf(','));//车系备注
        var carCode = aryCarList[i].substring(aryCarList[i].indexOf(',') + 1, aryCarList[i].length);//车系code

        var flag=false;
        for (var j = 0; j < markCheck.length ; j++) {

            if (carCode.trim() == markCheck[j].trim()) {
                flag = true;
            }
        }
        if (!flag) {
            strHtml += '<input checked="true" type="checkbox" name="checkName"  value="' + carCode + '" ><span>' + carName + '</span>';
        }
      
    }