在Javascript操作JSON对象，增加删除修改全有的，详情见代码

<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>

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