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JQuery 实现开发常用功能

标签克隆的两种实现方式: <body>

+ <input type="text"/>

<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script> <script> function Add(ths) {

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JavaScript DOM操作表格及样式

一.操作表格

标签是HTML中结构最为复杂的一个,可以通过DOM来创建生成它(比较麻烦),或者HTML DOM来操作它。 //需要操作的table
<tr

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javascript当中,如何创建一个table的row和cell?

例 2.2(CreateTRTD3IEFF.html) <HTML> <head>     <meta http-equiv="content-type" content="text/html; charset=utf-8"/>     <TITLE></TITLE> </HEAD> <BODY id="body"> </BODY> </HTML> <script>     /*Node.appendChild() (Method)      A new child node object is added to the end of the list of immediate children of this node. 马克-to-win: note: immediate is very important, table and tr is not immidiate,so table can not appendChild tr, while, table can append tbobdy, then tbody append tr. if you really want to connect table and tr, you must use insertRow like in this example.      Document.createElement() (Method)      A method to create a new element within a document.      Property/method value type: Element object       */     var table = document.createElement("table");     /*TABLE.border (Property)      The width of the border around cells in a table.      */     table.border=2;     //为表格循环插入2行     for (var i = 0 ; i < 2 ; i++)     {         /*           TABLE.insertRow() (Method)          Insert a new row into the table at a specified row index.          Property/method value type: TR object          JavaScript syntax: - myTABLE.insertRow(anIndex)          Argument list: anIndex The row at which to insert a new row          马克-to-win:note that Table has this method of "insertRow" which directly insert a row into a table without passing through tbody.          */         var tr = table.insertRow(i);         //为每行循环插入3列         for (var j = 0 ; j < 3 ; j++)         {

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,等元素)的索引值

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