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        在Javascript操作JSON對象/增加 刪除 修改的簡單實現(xiàn)

        字號:


            在Javascript操作JSON對象,增加刪除修改全有的,詳情見代碼
            代碼如下:
            <script type="text/javascript">
              var jsonObj2 = { teacher: [
                { name: "jordan", sex: "m", age: "40" },
                { name: "bryant", sex: "m", age: "28" },
                { name: "McGrady", sex: "m", age: "27" }
              ]};
              var jsonObj2New = {};
              $("#btn").click(function () {
                //invoke the update
                updateData("jordan");
                var persons = jsonObj2.teacher;
                for (var i = 0; i < persons.length; i++) {
                  var cur_person = persons[i];
                  alert(cur_person.sex);
                }
                //invoke the delete
                deleteData("jordan");
                var persons = jsonObj2.teacher;
                for (var i = 0; i < persons.length; i++) {
                  var cur_person = persons[i];
                  alert(cur_person.sex);
                }
                //push 
                var temp = { name: "kenny", sex: "m", age: "25" };
                jsonObj2.teacher.push(temp);
                var persons = jsonObj2.teacher;
                for (var i = 0; i < persons.length; i++) {
                  var cur_person = persons[i];
                  alert(cur_person.name);
                }
              });
              function updateData(name) {
                var persons = jsonObj2.teacher;
                //alert(name);
                for (var i = 0; i < persons.length; i++) {
                  var cur_person = persons[i];
                  if (cur_person.name == name) {
                    persons[i].sex = "f";
                  }
                }
              }
              function deleteData(name) {
                var persons = jsonObj2.teacher;
                //alert(name);
                for (var i = 0; i < persons.length; i++) {
                  var cur_person = persons[i];
                  if (cur_person.name == name) {
                    jsonObj2.teacher.splice(i, 1);
                  }
                }
              }
              </script>
            以上這篇在Javascript操作JSON對象,增加 刪除 修改的簡單實現(xiàn)就是小編分享給大家的全部內(nèi)容了,希望能給大家一個參考