Manipulating JSON objects in JavaScript, adding simple implementations of deletion modifications _javascript tips

Manipulate the JSON object in JavaScript, add delete changes all that is, see Code for details

<script type= "Text/javascript" > var jsonObj2 = {teacher: [{name: "Jordan", Sex: "M", Age: "}", {NA

  Me: "Bryant", Sex: "M", Age: "A"}, {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>

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