JQuery小記

訪問dom元素

$代表整個dom tree

$("#content")

$("p")

$("li .red")

字符串轉換為json對象

$.parseJSON

ajax?

    $.ajax({type: "post",url: "GetUser.ashx",success: function (data) {var t = "";var json = $.parseJSON(data);$.each(json, function (k, v) {t += k + "?:?" + v + "<br/>";});$("#content").append(t);},error: function () {$("#content").append("無法獲取用戶信息!");}});

post

$.post("GetUser.ashx", {}, function (data) {var t = "";var json = $.parseJSON(data);$.each(json, function (k, v) {t += k + "?:?" + v + "<br/>";});$("#content").append(t);});