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使用ajaxSetup()方法設定全域Ajax預設選項使用ajaxSetup()方法可以設定Ajax請求的一些全域性選項值，設定完成後，後面的Ajax請求將不需要再添加這些選項值，它的調用格式為：
jQuery.ajaxSetup([options])或$.ajaxSetup([options])
可選項options參數為一個對象，通過該對象設定Ajax請求時的全域選項值。
<body> <div id="divtest"> <div class="title"> <span class="fl">奇偶性和是否大於0</span> <span class="fr"> <input id="btnShow_1" type="button" value="驗證1" /> <input id="btnShow_2" type="button" value="驗證2" /> </span> </div> <ul> <li>請求輸入一個數字 <input id="txtNumber" type="text" size="12" /> </li> </ul> </div> <script type="text/javascript"> $(function () { $.ajaxSetup({ dataType:"text", sucess:function(data){ $("ul").append("<li>你輸入的<b> " + $("#txtNumber").val() + " </b>是<b> " + data + " </b></li>"); } }); $("#btnShow_1").bind("click", function () { $.ajax({ data: { num: $("#txtNumber").val() }, url: "http://www.imooc.com/data/check.php" }); }) $("#btnShow_2").bind("click", function () { $.ajax({ data: { num: $("#txtNumber").val() }, url: "http://www.imooc.com/data/check_f.php" }); }) }); </script></body>
ajaxSetup()方法
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