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除使用$.extend擴充工具函數外，還可以擴充原有的Object對象，在擴充項物件時，兩個對象將進行合并，當存在相同屬性名稱時，後者將覆蓋前者，調用格式為：
$. extend (obj1,obj2,…objN);
參數obj1至objN表示需要合并的各個原有對象。
<body> <div id="divtest"> <div class="title"> <span class="fl">合并原有對象</span> </div> <div class="content"> <div class="tip"></div> </div> </div> <script type="text/javascript"> $(function () { var objInfo = { name: "" }; var objMess = { name: "白富美,", title: "歡迎與我聯絡！" }; var objNewInfo =$.extend(objInfo,objMess); var strTmp = "<b>對象 白富美 合并後</b>：<br/><br/>"; strTmp += objNewInfo.name + objInfo.title; //顯示在頁面中 $(".tip").show().append(strTmp); }); </script></body>
對象 白富美 合并後：
白富美,歡迎與我聯絡！
jQuery 工具類函數-使用$.extend()擴充Object對象
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